Magnetic Resistance vs Contact Flywheel - A Detailed Comparison (2023)

Home cardio equipment such as stationary bikes commonly operate using two main resistance systems: magnetic resistance and contact flywheels resistance.

To provide resistance, both systems act on the flywheel that’s connected to the machine’s pedals or handles. The built-in resistance system allows the wheel to spin with varying amounts of tension against it.

The differences between magnetic resistance vs contact flywheels resistance systems can make a huge difference to your overall ride experience. To help you learn more about the best system for you, I've compared each one in detail below.

The differences between a contact flywheel vs magnetic resistance impact your overall workout experience. For example, magnetic flywheel spin bikes are quiet to operate and require less maintenance but require a bigger initial investment. However, those with contact flywheel systems are cheaper and simulate a road bike more closely but require more maintenance and produce more noise.

Magnetic Resistance vs Contact Flywheel - A Detailed Comparison (1)

What is Magnetic Resistance?

Magnetic resistance uses two powerful magnets located parallel to one another with the flywheel sitting in the middle to create tension against the flywheel.

Once you start pedaling, the metal flywheel moves through the magnetic field created by the two magnets. The field creates a resistance that determines how fast the flywheel moves. The current resistance created by the flywheel runs perpendicular to the magnetic field in a closed-loop circuit.

When you turn the resistance knob to increase or decrease the resistance level, the magnets move closer or further away from the flywheel. As the magnets get closer, the magnetic field becomes stronger, therefore increasing the flywheel resistance. As the magnets move away, less resistance is felt on the flywheel due to the decreased magnetic field.

What is a Contact Flywheel?

Before magnetic resistance, friction contact resistance was the most common resistance method used in cardio equipment. It was known as the gold standard and still remains a popular choice today.

Friction resistance works as the name suggests, by trying to slide different objects past each other using the same plane of motion, therefore creating friction. In an exercise bike, fabric pads are used to apply contact pressure to the flywheel as it spins around.

The pads can be located on both sides of the wheel and ‘squeeze’ together as the amount of resistance is increased using the tension knob. A larger pad may also be located on the top of the flywheel, applying downward pressure as you cycle.

Magnetic Resistance vs Contact Flywheel - A Detailed Comparison (2)

Contact Flywheel vs Magnetic Resistance

Workout Experience

Whilst both systems work by resisting the flywheel motion, the different ways of achieving this slightly change the overall workout experience. With a magnetic resistance system, a slight lag exists between the moment you turn the knob and when you actually feel the resistance increase or decrease. This can take some time to get used to, especially for riders who are used to the feel of road bikes.

Contact friction resistance more closely resembles the feeling experienced on a normal bike, with the resistance changing at the same time you turn the tension knob. According to user reviews, this produces a smoother, more consistent ride experience.


When looking closer at both systems, we can compare the accuracy level and amount of possible resistance offered. More specifically the accuracy of resistance provided by both systems in relation to the level stated on the tension knob or console.

Magnetic resistance systems tend to be more accurate, with most bike systems using a computer where you input the resistance level and the magnets change position accordingly. Contact flywheels tend to be slightly less accurate, with differences in maintenance affecting the amount of pad material action on the wheel.

However, for most athletes, this difference is negligible, with both systems working fine to achieve normal workout goals at home or in the gym.

In terms of resistance level, both systems should be able to provide high enough levels of resistance to challenge even the most elite athletes. Magnetic resistance systems do have a fixed resistance level whilst friction-based systems allow you to go slightly higher as long as you're able to keep pedaling.

Magnetic Resistance vs Contact Flywheel - A Detailed Comparison (3)

(Video) Sunny SF-B1002 vs Sunny SF-B1805 /// Friction vs Magnetic Resistance exercise bike


Get more reviews about training equipment, special offers and discounts from different stores.


If you are planning to use the bike in smaller home gym spaces, you should consider the amount of noise produced when riding d. This is especially important if you plan to use the bike early in the morning or late at night.

This is where the magnetic resistance system really shines. Compared to the friction-based contact system, it's much quieter to operate making it more suitable for smaller gym spaces where the noise level may be an issue. The contact flywheel actually makes contact with the wheel which produces more noise compared to magnets.


Maintenance refers to the amount and frequency of work needed to keep the resistance system running correctly. This can also include the chance of components breaking down or needing to be replaced.

The initial cost is usually the main factor, but the possible required maintenance should still be considered in the budget. Due to the common placement of contact flywheels at the front of the bike, the sweat produced when working out can lead to the erosion of mechanical components. The friction pad used also needs to be replaced periodically as it will wear down with repeated flywheel contact.

Magnetic resistance systems also require maintenance, but on average this needs to be done less frequently. This is due to the system not needing to contact the flywheel to change the resistance level. The flywheel is also more commonly located at the back of the bike, meaning less chance of body fluids wearing down the components.


In terms of price, friction-based resistance systems tend to have a lower initial cost. Magnetic resistance systems usually cost more to manufacture making the initial price point higher. With this, make sure to consider the points regarding maintenance costs above.

Magnetic Resistance vs Contact Flywheel - A Detailed Comparison (5)

Magnetic or Contact Spin Bike: A Summary

Both resistance systems offer excellent ways of generating force against the flywheel to increase and decrease the difficulty level.

Magnetic resistance systems are quieter to operate and require less maintenance but are more expensive and can be hard to get used to if you’re used to a normal road bike. According to user reviews, contact friction systems offer a smoother ride experience and cost less but can require more maintenance and are louder to operate.

Evaluation of CriteriesMagnetic ResistanceContact Friction Resistance
Ease of UseYesYes
Accuracy of ResistanceVery goodGood
Level of ResistanceGoodGood

Pros and Cons of Magnetic Resistance

So, is magnetic resistance better? Here are the pros and cons to help you choose:


  • Very quiet operation at any level of resistance

  • Less maintenance needed with no flywheel contact

  • (Video) Magnetic Vs Friction Resistance Spin Bikes - Which Is Better?

    More accurate resistance control with computer-controlled machines

Could be better:

  • Higher initial price due to manufacturing costs

  • The resistance feel can be hard to get used to for those who regularly use a road bike

Pros and Cons of a Contact Flywheel


  • According to user reviews, it offers a smoother ride experience that closely simulates the feeling of using a road bike

  • Lower initial price point as its cheaper to manufacture

  • The resistance level can be increased to a higher level as the friction pad makes more contact with the flywheel

Could be better:

  • More prone to maintenance and replacement parts to keep functioning correctly

    (Video) ✅Best Magnetic Resistance Spin Bikes 2022-Top 4 Spin Bike Reviews

  • Much louder operation due to the flywheel contact

Magnetic Resistance vs Contact Flywheel - A Detailed Comparison (6)

Flywheel or Magnetic Resistance: What We Recommend

Should I choose a magnetic or belt spin bike? Here are our recommended bike choices for each system I’ve discussed above:

Magnetic Resistance Bike We Recommend

The Schwinn Fitness indoor cycling bike sits on top of our recommended list, offering 100 levels of smooth magnetic resistance via the tension knob located at the front of the bike frame.

The magnetic flywheel spin bike features a fully adjustable design, with 4-way adjustable handlebars and a padded seat that adjusts horizontally. The dual-sided pedals feature SPD clips for cycling shoes and toe cages keeping normal athletic shoes in place.

Magnetic Resistance vs Contact Flywheel - A Detailed Comparison (7)

The device holder at the front of the bike is compatible with your tablet or phone, with the large LCD console underneath displaying time, calories burned, distance, and speed.

Schwinn Fitness provides a great overall package, with the bike, a pair of 3-pound dumbbells, a BlueTooth HR armband, and 1-year JRNY membership included with each purchase.

Magnetic Resistance vs Contact Flywheel - A Detailed Comparison (8)

photo by @maryp1603

Contact Friction Bike We Recommend

The Sunny Health & Fitness Cycling Exercise Bike uses a belt drive friction system, with a 40-pound flywheel and leather friction pad to closely match the experience of using a road bike outdoors.

Magnetic Resistance vs Contact Flywheel - A Detailed Comparison (9)

The multi-grip bike handles adjust vertically giving you multiple hand positions and therefore more comfortable ride experience. The seat adjusts vertically and horizontally, allowing you to adopt the perfect position.

The dual-sided pedals allow you to slip into professional cycling shoes or use the foot cages for normal athletic shoes. The bike includes a convenient water bottle holder at the front of the frame and handy transport wheels, allowing you to move the bike around with ease. The floor stabilizers keep the bike secure and allow you to operate it on uneven home flooring.

Magnetic Resistance vs Contact Flywheel - A Detailed Comparison (10)

(Video) Commercial Spin Bike Magnetic Resistance vs Friction Resistance


Does the Flywheel Weight Matter With Magnetic Resistance?

Whether magnetic or friction-based resistance is used, flywheel weight will impact the overall ride experience. A heavier flywheel is designed to act more like a real road bike, with more momentum meaning it takes more time to slow the wheel down. This also allows a smoother ride experience.

Lighter flywheels are easier to start and stop and usually better for joint health than heavier ones.

Do Magnetic Resistance Bikes Need Electricity?

A magnetic resistance spin bike needs electricity to fully function however it can still be used as a stationary bike without being plugged in. The magnet resistance system needs electricity to change the resistance and operate the LCD screen functions.


Magnetic resistance operates using magnets that create a magnetic field around the flywheel. They are quiet to operate and require less maintenance but can be more expensive initially. Contact flywheels use a friction pad that applies pressure against the flywheel. They offer a workout experience similar to a road bike and cost less but can require more maintenance and produce much more noise due to the flywheel contact. All in all, no matter what type of bike you choose, any of them will bring a lot of benefits to your health.

Which resistance system do you prefer? Can you notice a difference when cycling? Let me know in the comments below!


  • Get the Most Out of Stationary Bicycle Workouts // VeryWell:
  • Indoor Cycling Class Benefits // Health Line:


Is flywheel or magnetic resistance better? ›

The magnetic flywheel system is more accurate as these are typically computerized and you will just punch in which level you want to be at. It's the type that you see so often in the commercial gyms because these bikes are very popular. So if you want accuracy, this may be the one to go with.

Which is better friction or magnetic resistance exercise bike? ›

Friction wins on the cost as it is much cheaper, it gives a constant resistance and it has harder resistance when compared to the way magnetic resistance is used in spin bikes.

Does flywheel weight matter with magnetic resistance? ›

While flywheels come in a variety of weights ranging from light to heavy - it's important to note the weight of the flywheel doesn't impact the amount of resistance or tension you experience while cycling on an indoor cycle bike.

Is 30 lb flywheel enough? ›

Most spin bikes are in the range of 30 lbs to 50 lbs and for most people this range is fine for providing them with the smoothness and workout they want. The big benefit of the heavy flywheel is the natural and smooth riding motion that gives a better and more efficient riding experience.

Which flywheel is best? ›

Cast grey iron flywheels are cost-effective, have good castability and wear resistance nature, but it is ideal for vehicles engines that run less than 6000 rpm. Nodular iron or ductile iron is preferred over grey iron for its impact resistance, elongation and yield strength ductile properties.

Is peloton bike magnetic or friction? ›

Magnetic vs friction

Magnetic spin bikes, like the Peleton, use magnets to create resistance. As the flywheel spins, it passes between two magnets.

Do magnetic resistance bikes wear out? ›

If installed correctly, magnetic resistance should not require maintenance. There is no wear and tear on either the flywheel or the magnets.

What flywheel is best on exercise bike? ›

With a heavier flywheel, you can generate more resistance and momentum, and be closer to the feeling of travelling uphill during your workout. For indoor bikes, the recommended flywheel weight is about 18-20kgs, whereas the weight can be around 20-22kg for commercial bikes.

What is the best resistance mechanism for an exercise bike? ›

A magnetic resistance cycle bike is sure to provide challenge throughout your fitness journey. Due to magnets never touching the flywheel, magnetic cycle bikes are virtually silent. Along with a quiet and smooth ride, you can expect little to no maintenance.

Which exercise bike is most like a real bike? ›

Bowflex VeloCore Bike

The Bowflex Velocore exercise bike leans from side to side so you feel like you're riding a real bike, instead of just pedaling away in your living room. While it's just as expensive as a Peloton, the Bowflex VeloCore's unique design and large display makes it a compelling alternative.

What resistance is best for exercise bike? ›

There's no need to do leg-presses on the bike. Find a heavy resistance at or about 85% max for steady climbing and no more than 80% for any standing intervals. Keep cadence at or below 120rpm at all times.

What is the disadvantage of flywheel? ›

Low maintenance costs, a long expected lifetime, fast response, and roundtrip efficiency of about 90% are of the main advantages of flywheel systems. The main disadvantages are high cost, self-discharge risk, and appropriateness for smaller capacities only (from 3 kWh to 130 kWh) [18].

Is it better to have a heavier or lighter flywheel? ›

The heavy flywheel helps RPM recovery, allows the engine not to lug during the gear transmission. The light flywheels decrease the inertia, so it gives a quick response to acceleration and deceleration. For this reason, light flywheels are used in the sports car.

What are the downsides to lightweight flywheel? ›

An engine with a light flywheel, will also tend to idle more roughly, generally have a less smooth power delivery and may even be noisier especially if converting from a dual mass flywheel to a lightweight flywheel.

Why is a lighter flywheel better? ›

Since flywheels are solid, unsprung components of a vehicle's driveline, a lightweight flywheel will decrease parasitic loss at a constant rate, improving a vehicle's horsepower and torque output (measured after the flywheel) throughout it's entire rev range.

Is a heavier flywheel better on a spin bike? ›

Heavier flywheels imitate the way a road bike works. It's why flywheel weight is often important to cyclists who train indoors during the winter. Once momentum builds and the cyclist gets into a rhythm, a heavier flywheel also allows for a smoother and more comfortable ride.

Do lightweight flywheels lose torque? ›

When you install a lightweight flywheel, there is no torque loss from the engine. End of story. A flywheel, by it's very nature, is an energy storage device. It's purpose is to either absorb excess energy from the engine, or average out the energy being put into the transmission, when an imperfect rpm vs.

What is better single mass or dual mass flywheel? ›

The energy required to spin up a single-mass flywheel is much less than that of a dual-mass, meaning your car will be much more responsive. The biggest difference can be seen in cars with lower power outputs. A car with 150 horsepower will spend a significant amount of its power rotating the flywheel.

How do I choose a flywheel? ›

One of the most important factors is weight. Standard weight flywheels offer better drivability, especially in stop and go traffic. However, their weight causes your engine to rev and decelerate slower. Lightweight flywheels are used when fast throttle response is more important than drivability.

Is a steel or aluminum flywheel better? ›

Flywheel Weight Matters

For street driving and drag racing, steel provides the heavier Flywheel needed for moving the car quickly from a dead stop. On the other hand, an aluminum Flywheel or Flexplate is ideal for Road Racing, Autocross, or Circle Track Racing.

Is Peloton just a fad? ›

Peloton was not the only pandemic hobby that turned out to be a fad: in kitchen cupboards across the land, bags of flour are going rancid and kombucha scobies are shrivelling up. But the financial outlay for those pastimes was minimal, whereas most models of the Peloton bike cost upwards of $2,500.

What is the difference between a magnetic exercise bike and a spin bike? ›

Generally speaking, you can get a more intense workout on a spin bike than a stationary bike. Spin bikes require greater muscle activation, including some upper body and core, whereas the workout on a stationary bike is really just isolated to the legs. They also have a heavier flywheel.

Which is best magnetic exercise bike? ›

We have compiled a detailed list of the best magnetic spin bikes and outdoor cycles to help you make an informed decision on which model would be best for you.
Best Magnetic Spin Bike & Indoor Cycle | A Guide from a Spin Instructor.
Best ValueBest Commercial GradeBest Interactive
Bowflex C6Keiser M3iFreebeat Lit
Our Rating: 4.5Our Rating: 4.7Our Rating: 4.3
4 more rows
Apr 12, 2023

What should I look for in a magnetic exercise bike? ›

Look for spin bikes with magnetic resistance. They provide quiet and smooth operation and require little to no maintenance. The last thing to consider is connectivity. Look for spin bikes that provide Bluetooth connectivity to smartphones and tablets.

Why is my magnetic resistance not working on my exercise bike? ›

If your exercise bike features a magnetic resistance system and you experience resistance issues, it may be due to the magnets shifting from their position because of loose bolts or screws. To fix the issue, make sure the magnets are secured properly in their designated position.

What to look for when buying an exercise bike? ›

The more settings available, the more personalized and specific the adjustments can get.
  1. Handlebar Style. ...
  2. Adjustable Resistance. ...
  3. Stability. ...
  4. Ease of Use. ...
  5. Other Features. ...
  6. Ability to Attach a Heart Rate Monitor and Headphones. ...
  7. Digital Display. ...
  8. Water Holder.
Oct 15, 2020

Should I use speed or resistance on exercise bike? ›

Many exercise bicyclists prefer speed to resistance, so they avoid using tension altogether. The main drawback is that they miss the muscle-building potential of using resistance on an exercise bike. Other cyclists use too much tension and put themselves at risk for injuring their knees or damaging their bikes.

Why are flywheels so expensive? ›

The idea is that the rubber creates smoother operation of the clutch release and reduces vibration in modern cars. The main reason these jobs tend to be more expensive than with typical older type clutch jobs is the price of the parts. A standard style flywheel is much more durable so does not often need to be changed.

What type of resistance does Peloton use? ›

The Peloton and the Echelon bikes both work on manually controlled (knob style) magnetic resistance systems.

Is it better to cycle faster or with more resistance? ›

Pedaling faster reduces the resistance you're pushing against with each stroke, which shifts a good portion of the stress of pedaling from your leg muscles to your heart and lungs.

Can a high resistance stationary bike build muscle? ›

Riding a stationary bike can help build strength in your legs and lower body, especially if you use a higher resistance. The pedaling action can help strengthen your calves, hamstrings, and quadriceps. Additionally, it can work the muscles in your core, back, and glutes.

Are magnetic exercise bikes good? ›

This type of exercise bike is great for people wanting to enhance their muscular strength and stamina. If you want to increase strength, burn more calories, and get better at cycling, it is best to add more resistance to your workouts. In this case, using magnetic resistance bikes is an ideal option for you.

What is the best brand for exercise bikes in 2023? ›

The best exercise bikes in 2023
  • Peloton bike, $1,445. ...
  • Schwinn Fitness IC3, $643. ...
  • NordicTrack commercial studio cycle (22" screen), $1,500. ...
  • Peloton bike, $1,445. ...
  • Schwinn Fitness IC3, $643. ...
  • Yosuda indoor cycling bike, $200 after coupon (reduced from $260) ...
  • Sunny Health & Fitness indoor exercise bike, $314 (reduced from $399)
Feb 22, 2023

What is the best speed on an exercise bike? ›

Aim to maintain a cadence (measured on the cycle console in revolutions per minute or RPMs) of 80 to 100 RPMs on “flat ground” (low to moderate resistance) and 60 to 80 RPMs on “hills” (moderate to high resistance).

Which bike gear has most resistance? ›

This is called 'crossing the chain' – using the large chainring (most resistance) at the front and the large (least resistance) cog at the back. It may cause your chain to slip, not shift properly, and will stretch and damage the bike chain over time.

Do flywheel bikes still work? ›

Flywheel recently and abruptly shut down the Home Bike service following a legal battle with their competitor, Peloton. The bike does still work in that you can still pedal and adjust the resistance and technically get a workout. But the app is no longer so there are no classes, no competition, and no stats.

How long do flywheels last? ›

DMFs can last more than 100,000 miles but may go bad in as little as 20,000 - it depends on the quality of the part and especially your driving style. Drivers who are not smooth in their clutch engagement cause serious amount of wear every time they get behind the wheel.

What can damage a flywheel? ›

For example, it could be caused by rough engine starts, heavy loads, driving in the wrong gear, and slow cranking speeds. i Overheating. This can be deadly for the discs as they can crack or warp, and it is often caused by a slipping clutch.

Why did flywheel fail? ›

Heat - Excessive heat is a big cause of most dual mass flywheel failures. A slipping clutch generates heat; if your clutch is worn, you can still save the flywheel if you get the clutch replaced early enough.

Is 25 lb flywheel enough? ›

Many people consider 40 LB to be ideal, but anything over 20+ pounds is going to be heavy enough to generate a good amount of momentum. Most high-quality cycle bikes on the market with a smooth feel will incorporate a heavy flywheel system since these bikes are much easier to manufacture.

What are the pros and cons of a lightweight flywheel? ›

The main advantage of a lighter flywheel is the speed of the engine can change more rapidly, both increasing and decreasing. The main disadvantage is there is less energy stored in the flywheel to help you start from a stop.

Does a lighter flywheel improve acceleration? ›

With a lightweight flywheel, right away you will notice the engine revs more quickly. You free up the horsepower your engine is already making and send it to the rear wheels rather than have it dissipate as parasitic losses.

Can a lightweight flywheel cause misfire? ›

If you plan to go lightweight for street use in a CARB State, you need to consider opting for a flywheel that weighs at least 15 lbs (please do your own research on what works successfully). Anything below 15 lbs will trigger misfire detection and subsequent Limp Mode.

Which engine requires heavier flywheel? ›

In C.I. engines the flywheel required is heavier compared to S.I. engines the reason may be the C.I. engines are used in heavy vehicles also the compression stroke of diesel engine is more compared to S.I.

How much HP does a lightweight flywheel add? ›

A light flywheel doesn't increase any horsepower or torque instead it decreases parasitic losses caused due to continuous rotation of the flywheel. Utilizing a lighter flywheel decreases your delay in power and torque which was previously being used to rotate a heavier flywheel (due to it's higher inertia).

Which type flywheel is best? ›

Cast grey iron flywheels are cost-effective, have good castability and wear resistance nature, but it is ideal for vehicles engines that run less than 6000 rpm. Nodular iron or ductile iron is preferred over grey iron for its impact resistance, elongation and yield strength ductile properties.

Does a lightweight flywheel increase mpg? ›

One reason why racers use light flywheels is to reduce parasitic drag on the crank, just like deleting power steering and an alternator would reduce drag on the crank, thus "freeing up horsepower". Right? Freeing up horsepower should increase mpg because less load is on the motor.

Is magnetic resistance better? ›

Magnetic resistance has a lot of advantages over friction – its quiet, no dust, minimal maintenance, no replacement of pads and you get levels of resistance you can use for setting resistance.

What is the difference between magnetic resistance and flywheel? ›

Magnetic resistance uses magnets to create tension against the flywheel. Unlike contact resistance, the magnets don't actually make contact with the flywheel. Instead, the magnetic force applies varying degrees of resistance as the magnets gets closer or further away from the flywheel.

What is the best flywheel weight for beginners? ›

For indoor bikes, the recommended flywheel weight is about 18-20kgs, whereas the weight can be around 20-22kg for commercial bikes.

What are the disadvantages to light weight flywheel? ›

Fitting a lighter engine flywheel has some drawbacks. While the engine can rev more easily, it also means revs drop quickly when you're not accelerating. As a result, shifting and pulling away from a stop smoothly becomes more difficult.

What happens if flywheel is too heavy? ›

In the case of a heavy flywheel, it is hard to change the rotational speed of the engine. As it takes a moment to accelerate the heavy flywheel, the rotational speed of the engine does not rapidly increase even when the accelerator pedal is depressed.

What are the cons of a single mass flywheel? ›

The main disadvantage of the single mass flywheel is the noise, vibration and harshness of operations. Dual mass flywheels consist of two flywheels, one attached to the crankshaft and the other to the clutch.

Do lightweight flywheels make much difference? ›

Since flywheels are solid, unsprung components of a vehicle's driveline, a lightweight flywheel will decrease parasitic loss at a constant rate, improving a vehicle's horsepower and torque output (measured after the flywheel) throughout it's entire rev range.

Why use an aluminum flywheel? ›

The lower moment of inertia in the aluminum flywheel provokes an instant response, delivering not only faster acceleration and deceleration, but also suppressing wheel spin. In addition, the component is not very expensive and the installation process not very laborious.

What is most commonly used material for flywheel generally taken as? ›

Flywheels are typically made of steel and rotate on conventional bearings; these are generally limited to a maximum revolution rate of a few thousand RPM.

What is the one Peloton controversy? ›

The controversial ad, “the Gift that Gives Back,” featured an attractive family during the holidays with the husband surprising his wife with a Peloton exercise bike. The backlash was swift and brutal, causing the company's stock to lose $1.5 billion in value at one point.

What is the latest Peloton scandal? ›

December 16, 2021

The New York Times reported that Peloton removed its online ad featuring actor Chris Noth after The Hollywood Reporter published an article in which two women accused the actor of sexual assault.

Why did so many people get laid off from Peloton? ›

Peloton, the beleaguered at-home gym equipment maker, is laying off about 500 employees in the company's latest effort to bolster its deteriorating finances.

What is better flywheel or magnetic exercise bike? ›

The magnetic flywheel system is more accurate as these are typically computerized and you will just punch in which level you want to be at. It's the type that you see so often in the commercial gyms because these bikes are very popular. So if you want accuracy, this may be the one to go with.

What is the downside of using a flywheel system? ›

The drawbacks of flywheels are the small capacity and high power loss, ranging from 3% to 20% per hour.

Why flywheels are better? ›

The lowered mass means that the flywheel rotates much more easily under the engine's power. This makes it ideal for acceleration in the lower gears when engine speed needs to change rapidly and is a popular modification for cars yearning for a perkier powertrain.

How long does a flywheel normally last? ›

DMFs can last more than 100,000 miles but may go bad in as little as 20,000 - it depends on the quality of the part and especially your driving style. Drivers who are not smooth in their clutch engagement cause serious amount of wear every time they get behind the wheel.

Can a flywheel cause transmission problems? ›

A damaged flywheel will make it much more difficult to change gears as the clutch plate may not disengage properly. Cracked flywheel discs are more likely to warp, causing clutch and transmission problems.

How long should a flywheel last? ›

Flywheels usually last around 80,000 to 100,000 miles, if not more, but as soon as you notice symptoms of an underlying problem, you should have your car checked by a mechanic.

What are the cons of a lightweight flywheel? ›

Fitting a lighter engine flywheel has some drawbacks. While the engine can rev more easily, it also means revs drop quickly when you're not accelerating. As a result, shifting and pulling away from a stop smoothly becomes more difficult.

Are aluminum flywheels better? ›

On the other hand, aluminum Flywheels work better when you're already moving instead of taking off from a dead stop. Therefore, aluminum is a much better choice for Circle Track Racing, Autocross, and Road Racing or anytime you need your RPMs to accelerate quickly out of the turn or drop rapidly to take a sharp turn.

What does a flywheel do in simple terms? ›

flywheel, heavy wheel attached to a rotating shaft so as to smooth out delivery of power from a motor to a machine. The inertia of the flywheel opposes and moderates fluctuations in the speed of the engine and stores the excess energy for intermittent use.

How effective is a flywheel? ›

Energy storage efficiency

This force increases friction. This can be avoided by aligning the flywheel's axis of rotation parallel to that of the earth's axis of rotation. Conversely, flywheels with magnetic bearings and high vacuum can maintain 97% mechanical efficiency, and 85% round trip efficiency.

How many types of flywheels are there? ›

Following are the types of flywheel used in vehicle:

Solid disc flywheel. Rimmed flywheel. High-velocity flywheel. Low-velocity flywheel.


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