Does My Gravel Bike Need Fancy Rotors?

by | Last updated on January 24, 2024

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You can use any rotor you like with any brake

, within reason. Some rotors have narrower brake tracks than others, i.e. Shimano, but generally, it’s just a metal disk.

Are high carbon rotors worth it?


Unless you plan on doing serious track racing, carbon rotors are not worth it

. Both slots and drilled (need to be chamfered and treated to avoid cracking) are usually meant for high heat applications (like the track) where you want hot gases to escape from the center of the pad.

How do you upgrade the brakes on a gravel bike?

How thick should rotors be?

Disc brake rotors usually last so long that many people treat them as ‘fit and forget’ components. However, manufacturers provide minimum thicknesses for their rotors. Shimano recommends that its rotors, which start out 1.8mm thick, should be replaced when the braking surface has been reduced to

1.5mm

.

Why are bigger rotors better?

The larger rotors not only provide more power but they also put less strain on your forearms and shoulders since you don’t need to pull the brakes as hard, keeping you fresher for longer and allowing you to ride more actively.

What rotors are interchangeable?

Generally,

disk brake rotors of same diameter

are thought of as cross-compatible, but there are some edge cases when this might not be true: Rotor thickness might not be the same across manufacturers and disk brake calipers might be designed with thicker/thinner rotor in mind.

Are all centerlock rotors the same?


No. The center lock spline on the hub is the same, only the lock ring is different

. Lock rings used on QR hubs used a cassette tool to remove.

How long do bike disc rotors last?

A bike’s disc rotor can last for an average of

2 years

for a rider who rides 3-5 times in a week. However, this period varies due to differences in riding styles and the quality of your brake pads. Generally, it is advisable to install a new set of brake pads whenever you replace the disc rotors.

What are 3 types of brake rotors?

  • Blank & Smooth. Blank and smooth rotors are the most common rotor type for passenger vehicles, like most standard sedans. …
  • Drilled. Drilled rotors have a series of holes drilled in spiraling patterns across the surface. …
  • Slotted. …
  • Drilled & Slotted.

What’s the best material for brake rotors?


Steel

. Steel has been the racer’s choice for years, because a steel brake rotor is thinner, weighs less and handles heat better. The downside: Steel rotors aren’t as durable as some others, and warped rotors can cause noise and a pulsating pedal when you brake.

Are brake rotors cast iron?


Cast iron is the most common material that goes into the making of brake rotors

. Crafting with the right design can make it work well even for performance vehicles. However, it’s a heavy material that adds to the vehicle’s overall weight.

Does a gravel bike need disc brakes?


Disc brakes are useful in terms of gravel cycling

. We don’t always recommend them and they aren’t a must-have on road bikes. However, gravel riding is a super application of (good) cable-actuated or hydraulic disc brakes.

Do all gravel bikes have disc brakes?


All gravel bikes seem to be disc brake only

, the usual reason being road calipers don’t provide enough clearance for bigger gravel tyres.

How long do gravel bike brake pads last?

Your mileage will vary based on weather, braking habits, pad type, riding style and terrain. But you should normally get 500-700miles from a resin pad, and

1000-1250 miles from a sintered metal pad

.

How do you know if you need rotors?

How do u know if u need new rotors?

  1. Vibrating Steering Wheel. If you feel pulsing in the brake pedal and vibration in the steering wheel when you slow down, your rotors could be signaling trouble. …
  2. Intermittent Screeching. …
  3. Blue Coloration. …
  4. Excessive Wear Over Time.

How do I know what size rotors I need?

  1. ID = Inside Diameter: Measure from inside edge to inside edge.
  2. OD = Outside Diameter: Measure from outside edge to outside edge.
  3. Measurement from inside edge of mounting hole to inside edge of bolt hole.
  4. Bolt hole diameter: measure from inside edge of bolt hole to opposite inside edge.

Do bigger rotors increase stopping power?

Adding bigger rotors achieves the opposite. It adds more weight to your vehicle’s braking system. The extra weight may affect the way your car accelerates and stops.

Heavier rotors take more power to get spinning, and take more energy to stop.

Do bigger rotors help braking?

Simply put

a bigger rotor provided better braking

, and a four pot caliper provides better braking – better meaning more, and more control (Everything else being equal). For the same force between the disc and pads, a bigger rotor generates more torque on the wheel – i.e. more stopping force.

Do I need 203mm rotors?

If fast riders want to ensure the performance of their brakes, they might want to look at larger rotors.

203mm is really the only option for enduro and DH racers

. Lately there has been more and more interest in even BIGGER rotors.

Do all rotors fit the same?


These sizes are not interchangeable

, and you must get the right one to fit on your car. Particular rotors size may depend on your trim (sub-model), vehicle’s country of origin, sports/performance package, transmission type, engine size, and numerous other options.

Are all bike rotors the same thickness?


Rotors from different manufacturers generally have different thickness out of the box, between 1.7mm – 2.0mm

. The thicker ones generally don’t have a markedly different fade behavior, and even if they did, of course the rotors will get thinner as they wear down, negating the effect.

How thick are Shimano rotors?

Shimano rotors are made

1.8mm

thick and should be replaced when the thickness has been reduced to 1.5mm. Since 2010, the 1.5mm minimum recommended rotor thickness has been printed on Shimano rotors.

Are all centerlock rotors compatible?


No. The center lock spline on the hub is the same, only the lock ring is different

.

Do Shimano centerlock rotors come with lockring?


Shimano rotors come with internal lock rings

. DT swiss wheels come with 6 bolt adapters and external lock rings. If you have 15mm axles or interference issues, then you need the external lock rings.

Are Shimano and SRAM centerlock rotors interchangeable?

If you want to use a center lock Shimano rotor,

you will need a center lock hub too

. Otherwise, you won’t be able to install the rotor because you cannot convert a 6-bolt hub to accept center lock rotors.

Emily Lee
Author
Emily Lee
Emily Lee is a freelance writer and artist based in New York City. She’s an accomplished writer with a deep passion for the arts, and brings a unique perspective to the world of entertainment. Emily has written about art, entertainment, and pop culture.