Shimano Centerlock disc brake rotor — the steel disc the brake caliper clamps against. Size (140 / 160 mm) sets the brake torque on a given caliper; most road frames take 140 or 160 front / 140 rear, gravel frames more often 160 / 160. Centerlock is the Shimano-standard wheel-interface. This is the Shimano RT-CL800 Disc Brake Rotor.
Rotor
$ 68
Shimano Centerlock disc brake rotor — the steel disc the brake caliper clamps against. Size (140 / 160 mm) sets the brake torque on a given caliper; most road frames take 140 or 160 front / 140 rear, gravel frames more often 160 / 160. Centerlock is the Shimano-standard wheel-interface. This is the Shimano RT-CL800 Disc Brake Rotor.

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