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SRAMCenterLine X Rounded Rotor - Centerlock

Sale $49.99 - $73.00

Item # SRM00BW

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  • Silver/Black, 140mm ($49.99)
  • Silver/Black, 160mm ($73.00)
  • Silver/Black, 180mm ($65.19)
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Item # SRM00BW

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

Tech Specs
Material[center] aluminum, [brake track] steel
Attachment Typecenterlock
Diameter140, 160, 180mm
Recommended Usecommuting, cross-country, cyclocross, enduro, gravel, mud/sand/snow, road cycling, time trial, trail, triathlon
Manufacturer Warranty2 years

Actual Weight

Silver/Black, 140mm
Silver/Black, 160mm
Silver/Black, 180mm

Claimed Weight

Claimed weights are provided by the vendor.

Have questions? Chat with a Gearhead

[140mm] 3oz (86g), [160mm] 3.6oz (102g), [180mm] 4.4oz
86g), [160mm] 3.6oz (102g), [180mm] 4.4oz (125g

Actual weights are measured in-house by the Competitive Cyclist team.

Have questions? Chat with a Gearhead

What do you think about this product?


>Rating: 5

classic SRAM stopper

I've used it several times
True to size
Size Bought

It's a brake rotor.

>Rating: 3


I've put it through the wringer

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

>Rating: 3

Centreline X 140mm v Centreline 2 140mm

I've put it through the wringer
True to size

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.

>Rating: 5

most competitive price found online

fast delivery item arrived as what was stated cant complaint most competitive price found online

>Rating: 5

Light & Powerful

Sram did a nice job with these rotors. The stopping power is top notch. I am using them for my Specialized Tarmac Disc that I have eTap with. They work great paired together.

Yes I agree with Sram making a good looking efficient rotor. What kind of pads are you using? I ask because I jus bought a set to go with my older shimano RS805 brake set up. The new dura ace rotor didnt work up front. 500 miles and still no bed, honking, and a slight vibration at high descents. These Sram rotors fit nice and no issues at all. First ride they bedded in nice and smooth and better to look at. Using shimano resin pads.

>Rating: 5

Light with excellent stopping power

The SRAM Centerline X Rounded Rotors are lightweight and dissipate heat effectively to ensure maximum sustained stopping power.

>Rating: 4

A Step Above

I've put it through the wringer

These rotors are a step above the standard Centerline rotors. The aluminum carrier helps drop some weight, as well as add some style to the rotor, although it will never look as sexy as Shimano's Icetech rotors. They've held up well against abuse and seem to shed heat pretty well also.

>Rating: 5

Light and Fast

Lighter than the normal centerline, work great.


Where do I get the lockrings to hold the rotor in place when I'm using thru axle

Charles, This would be the lockring I would suggest for these rotors:

>Rating: 4

All the braking power ...

I've used it several times

... but less of the slice & dice alleged to be attributable to disc brakes. The rounded edges will make them safer, and still the best rotors to pair with SRAM’s hydraulic disc brake calipers.