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Item # SRM005U

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  • Aluminum/Steel, 140mm ($47.98)
  • Aluminum/Steel, 160mm ($53.99)
  • Aluminum/Steel, 180mm ($58.99)
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Item # SRM005U

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SRAM's original CenterLine rotor ushered in a new wave of high-powered braking paired with industry-leading cooling capacity. The CenterLine X Rotor maintains all the awesome features of its older sibling and drops a few grams by pairing its steel braking surface with a light and durable aluminum center.

This rotor gets its name from strategically placed venting lines in the middle of the braking track that help reduce overheating for consistent braking power on long descents and technical sections. The CenterLine X also features the same 12-spoke design as the CenterLine to reduce lateral bending or warping under heat stress. This results in a stable rotor with predictable, smooth braking capabilities that lets you fly down the trail with confidence.

  • Dual material rotor blends lightweight and durability
  • Steel braking surface and aluminum center piece
  • Venting lines in brake surface promote cooling
  • 12-spoke design resists warping

Tech Specs

[center] aluminum, [brake track] steel
Attachment Type:
140 mm, 160 mm, 180 mm
Claimed Weight:
[140mm] 86 g, [160mm] 102 g, [180mm] 125 g
Recommended Use:
mountain bike, cyclocross, road disc
Manufacturer Warranty:
2 years

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Avg. ride time: 49m per week
  • Average ride time is based on Strava activity over the last 3 months. Give your reviews credibility by connecting your account.

Pretty dang good

  • Familiarity: I've put it through the wringer

These rotors are very good rotors. I've had them on a few bikes, as I can usually get them cheaper than XTR. But the stopping power and heat dissipation is not quite as good. Still, I am very happy with them. And they do look cool

Work Great

  • Familiarity: I gave it as a gift but have feedback to share

These were put on my sisters Surly Krampus. This is what she has to say.
"These rotors are as stylish as they are functional. The black centerpiece looks great, but more importantly, they work flawlessly. Great stopping power, plus they are the quietest rotors I've used. No more goose honking down the trail. I'll definitely buy them again.

The best brake rotors on the market.

  • Familiarity: I've put it through the wringer

I've used Shimano XT Ice rotors for a few years and had thought they were the bees-knees. The AVID/SRAM rotors are a step up in my opinion.

The Avids are equally good at dumping heat, equally light, equally blingy. Where they come out on top is in 2 areas:

1) They seem to be more resistant to all of the annoying sounds calls that brake rotors can be prone to making--the mating sounds of geese and the sound of dying burros. The Avids are quieter, longer--even when used with Shimano pads.

2) These seem to be more corrosion resistant than Shimanos. I use disc brakes in snow, salty roads, rain, mud, crud, and crap. Sometimes literally. The Avids wash up simply and just don't corrode or show deterioration.

Longevity wise, I have no complaints. Get them nice and flat/even at the start, and these will last for years, even under hard use. I tend to replace several sets of pads before replacing rotors.

Highly recommended.