The SRAM Centerlock External Disc Brake Nut, also known as a Centerlock Lockring, is a component used to secure Centerlock brake rotors to compatible hubs. It is identified by the SRAM Model ID: RT-SPP-A0.

Key Features:
  • Centerlock Compatibility: Designed specifically for use with Centerlock disc brake rotors and hubs.
  • External Tool Interface: Features an external tool interface for tightening and loosening.
  • Secure Rotor Mounting: Ensures a secure and reliable connection between the rotor and hub.

Who is it for?
The SRAM Centerlock External Disc Brake Nut is essential for anyone using Centerlock rotors and hubs, including road cyclists, mountain bikers, and e-bike riders.
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