SRAM Paceline X Centerlock Road Disc Rotor – 140mm & 160mm, Internal Lockring Included

The SRAM Paceline X is SRAM's road-specific disc brake rotor, designed for road and gravel bikes running Centerlock hubs. It uses a two-piece construction with a stainless steel brake track bonded to an aluminium carrier — the aluminium spider reduces weight compared to a full-steel rotor while the steel braking surface provides the durability and heat dissipation needed for road descents. SRAM describes the Paceline brake track as their smoothest and quietest, with a surface finish optimised for consistent modulation and minimal noise with compatible SRAM road brake pads. Available in 140mm and 160mm. Includes an internal tooled SRAM Centerlock lockring.

The Centerlock interface uses a splined hub interface and a lockring (the same standard as Shimano Centerlock) for quick, secure rotor installation and removal — a Centerlock lockring tool or cassette tool is required for installation. The Paceline X is the appropriate rotor for SRAM road hydraulic groupsets — RED AXS, Force AXS, Rival AXS, and their mechanical hydraulic equivalents — and is compatible with Shimano road hydraulic systems. For the 6-bolt rotor version, see the SRAM Paceline X Rounded. Browse our full brakes collection for rotors, pads, and brake components.

What It's Good For

• Road and gravel bikes with Centerlock disc brake hubs
• SRAM RED AXS, Force AXS, and Rival AXS hydraulic groupsets
• Compatible with Shimano road hydraulic disc brake systems
• Two-piece construction — aluminium carrier with stainless steel brake track
• Quiet, smooth Paceline brake track — optimised for road use
• Available in 140mm and 160mm
• Internal tooled SRAM Centerlock lockring included

What It's NOT Good For

• 6-bolt rotor mounts — Centerlock interface only; see the Paceline X Rounded for 6-bolt
• MTB use — road-specific rotor; MTB applications require larger rotors with higher heat dissipation
• Non-hydraulic disc brake systems

Frequently Asked Questions

What is the difference between Centerlock and 6-bolt rotors?
Centerlock rotors use a splined interface and a single lockring to secure the rotor to the hub — the same standard used by Shimano Centerlock hubs. 6-bolt rotors use six bolts arranged in a circle to attach the rotor to the hub. The two standards are not interchangeable without an adapter. Check your hub's rotor interface before purchasing — it will be marked on the hub or in the hub's specification.

What tool do I need to install a Centerlock rotor?
A Centerlock lockring tool is required — the same tool used to install Shimano Centerlock rotors and some cassettes. The internal tooled lockring included with the Paceline X can also be installed using a cassette chain whip tool. A torque wrench is recommended — tighten the lockring to the torque specified by SRAM (typically 40Nm).

Which size should I choose — 140mm or 160mm?
140mm is the standard road rotor size, providing sufficient braking power for most road riding and compatible with most road bike fork and frame clearances. 160mm provides more braking power and better heat dissipation, making it preferable for heavier riders, loaded touring, or hilly terrain with long descents. Check your fork and frame's maximum rotor size before choosing 160mm.

Is it compatible with Shimano brakes?
Yes — the Paceline X Centerlock is compatible with Shimano road hydraulic disc brake systems. The Centerlock interface is a shared standard between SRAM and Shimano, and the rotor dimensions are compatible with Shimano road brake callipers and pads.