SRAM Centerline XR Disc Brake Rotor - 140mm

The SRAM CenterLine XR brake disc is engineered to perform seamlessly with the SRAM eTap AXS drive...

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Product Information

Full details

The SRAM Centerline XR 140mm Disc Brake Rotor is designed specifically for road cyclists utilizing the SRAM eTap AXS drivetrain who demand consistent, quiet, and reliable braking power. This rotor excels in delivering smooth modulation for high-speed road performance; however, users should note it is exclusively optimized for road-specific centerlock mounting systems and may not be compatible with all mountain-oriented hubs or older 6-bolt wheel configurations.

All features

SeriesCenterline XR
Model Part NumberDBS8122004
BrandSram

Extended Product Information

FAQs

Is this rotor compatible with mountain bike brakes?

While the Centerlock standard is widespread, this rotor is specifically optimized for SRAM's road-focused Centerline XR geometry and eTap AXS systems.

Do I need a special tool to install this?

Yes, you need a standard external-notched tool typically used for bottom brackets or cassette lockrings to tighten the Centerlock ring.

Can I use this with non-SRAM calipers?

The rotor may function with other systems, but it is engineered specifically to match the sweep and performance characteristics of SRAM road calipers.

Does the rotor come with mounting hardware?

Yes, it includes the necessary SRAM lockring for installation onto your Centerlock hub.

What is the primary benefit of the Centerline track?

The Centerline track design is specifically shaped to minimize vibration, resulting in a quieter braking experience.

Troubleshooting

Braking noise or squealing

Clean the rotor surface with isopropyl alcohol and ensure brake pads are not contaminated.

Rotor rubbing against pads

Check that the wheel is seated properly in the dropouts and perform a caliper alignment on the brake system.

Looseness after installation

Verify that the lockring has been tightened to the correct torque specification using a torque wrench.

Pros and Cons

Pros

  • Seamless integration with SRAM eTap AXS systems
  • Extremely quiet braking performance
  • Fast and secure Centerlock mounting
  • Lightweight design suitable for road cycling
  • Includes essential installation lockring

Cons

  • Not compatible with 6-bolt hub designs
  • Requires specialized Centerlock tool for installation
  • 140mm sizing is primarily for lightweight road use
  • Limited to road-specific applications

Setup, Compatibility & Care

To install the Centerline XR, align the inner splines of the rotor with the Centerlock interface on your wheel hub. Slide the rotor onto the splines and tighten the included lockring using a standard external-notched bottom bracket/cassette lockring tool to the manufacturer's specified torque.

Care Instructions:

  • Avoid touching the braking surface with bare skin, as oils can contaminate the material and cause squealing.
  • Use isopropyl alcohol to clean the rotor surface periodically.
  • Replace the rotor if the braking surface thickness drops below the wear limit defined by SRAM.
  • Check lockring torque periodically to ensure the rotor remains secure.

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