Centerlock rotor lockring for centre lock hubs.
Shimano SM-HB20 15/20mm Axle Hub Centerlock Rotor Lockring
Shimano Rt-Cl800 Rotor - Centerlock Silver, 160Mm
Shimano Disc Brake Rotor SLX SM-RT64/RT66/RT-66 6 bolt/Centerlock 180/203/220mm
Shimano 203mm Disc Rotor RT-EM600 - Centerlock - Ext. Lockring, STEPS like SLX
Shimano Alloy Centerlock Disc Brake Rotor Lock Ring Black MTB ROAD 2PCS MTB Fit
Shimano Deore XT 160mm Centerlock Rotor SM-RT78 x 2
