Lockring | from 50 to 63

Durable Shimano lockring and washer set for center‑locked rim systems, compatible with SM‑RT81/SM‑RT80 models. Includes a high‑strength steel ring, secure washer, and optional spacer for optimal brake performance.

SRAM Paceline Centerlock Rounded Disc Rotor, 140mm. Silver/Black, does not include lockring.

SRAM Paceline Centerlock Rounded Disc Brake Rotor, 160mm, Black, does not include lockring.

The Shimano XTR RT-MT900 XTR Disc Rotor is a high-performance brake component with an 180mm diameter and features the advanced Ice Tech Freeza technology for improved cooling. Its Centre Lock design ensures easy installation and removal.

The Shimano Ultegra RT‑CL800 Ice‑Tech Freeza 203 mm rotor delivers precise braking with its internal magnet and center‑lock design, offering lightweight performance and reliable heat dissipation for smooth stops.

The Shimano Ultegra RT-CL800 is a high-performance disc rotor with an internal lockring for secure mounting. The 160mm size is suitable for most bikes and features Ice Tech Freeza technology for improved heat dissipation during braking.

Shimano XTR RT-MT900 disc brake rotor, designed for mountain biking, provides efficient heat dissipation with its Ice Tech FREEZA technology and features a 160mm diameter and internal lockring.

The Shimano Dura-Ace CL900 Freeza Disc Rotor is a high-performance, silver/black disc brake rotor for bikes.