Find Your Store
Home Page

Cart, contains 0 items

When autocomplete results are available use up and down arrows to review and enter to select. Touch device users, explore by touch or with swipe gestures.
Expert Help
Earn Rewards

CenterLine X Rounded Rotor - Centerlock

4 out of 5 stars
6 Reviews
$56.00 - $84.00
Up to 27% off



CenterLine X Rounded Rotor

The SRAM CenterLine X Rounded Rotor in Centerlock takes the amazingly quiet, smooth, and exceptional cooling capacity of the Centerline and subs in an aluminum carrier to drop grams, further improve cooling, and stiffen the rotor. These particular rotors feature a rounded edge past the braking surface making them safer in mass start events and comply with the UCI's requirements for rotors used in road racing.

The Centerline gets its name from the strategically placed vents on the braking surface that help reduce overheating and reduces noise. Better heat management improves performance and lever feel with repeated braking on long descents. Centerline X Rotors feature the same braking surface as the 1-piece CenterLine, however the addition of the aluminum carrier drops weight and stiffens the rotor to improve performance. Dual materials, with different rates of thermal expansion and contraction, help prevent the rotor from warping under heavy use. SRAM chamfers removes the 90-degree corner off the edge of the rotor making it safer for everyone.


  • Dual material rotor blends light weight and durability
  • Vent hole design in brake surface promotes cooling
  • Rounded edge improves safety
  • Lockrings not included
  • Steel braking surface for durability and aluminum center piece to save weight
  • Item #SRM00BW
[center] aluminum, [brake track] steel
Attachment Type
140, 160, 180mm
Claimed Weight
[140mm] 3oz (86g), [160mm] 3.6oz (102g), [180mm] 4.4oz (125g)
Manufacturer Warranty
2 years

Overall Rating

4 based on 6 ratings

Review Summary

1 Stars - 0 reviews
2 Stars - 0 reviews
3 Stars - 2 reviews
4 Stars - 2 reviews
5 Stars - 2 reviews

Fits True To Size

Screen reader users: the following list provides a visual scale to illustrate the product fit. Please refer to the heading above for the fit type in text.
Runs smallTrue to sizeRuns large

What do you think about this product?


Selecting an option will reload the available reviews on the page
4 out of 5 stars

December 10, 2022

oh STOP it!

I've put it through the wringer

works well, most important specs 160mm is 117grams and 140mm is 103 grams.

fre4713589 f

Originally reviewed on

5 out of 5 stars

November 16, 2022

Excellent Gravel Bike rotor

I've put it through the wringer

I use these on my Crux gravel bike, 180 front, 160 rear. They are light and work really well. They do make some pinging noises but it doesn't affect performance and they don't go out of true often. Overall they are great for my gravel bike.

turp737025 t

Originally reviewed on

4 out of 5 stars

April 28, 2022

good buy

I've used it several times

for the sale price it is great, works well for what is intended. Official weight for the 160mm is 117 grms.

fre4713589 f
5 out of 5 stars

November 23, 2021

classic SRAM stopper

I've used it several times

It's a brake rotor.

Gregory S

Originally reviewed on

3 out of 5 stars

November 21, 2021


I've put it through the wringer

Works fine, but is very prone to temperature related pinging noises.

Evan S

Originally reviewed on

3 out of 5 stars

July 3, 2021

Centreline X 140mm v Centreline 2 140mm

I've put it through the wringer

I bought a couple of the Centreline X 140mm CL rotors from CS because I was curious to learn how they are different compared to the "previous model" Centreline "2" 140mm rotors. All I could find on the internet was that the Centreline X was "lighter" due to use of a newer alloy. Was unable to find official claimed weights for both the new and older model (found one but not the other). They look identical, boxes are identical, box serial numbers slightly different, batch code engraved on the rotors the same. My jewellery scale indicated the old model weighs 103.20g and the "new" model 103.78g - essentially both weigh the same. So I am none the wiser except to think either X and 2 are the same with a different marketing name or I was sold to identical rotors with two different model names. Seems to me I have and weighed either two "X" or two "2" 140mm rotors or "X" and "2" are different names for the same product.

user image
Nick F

Originally reviewed on