Clarks centre lock rotor features a high grade stainless steel rotor with aluminium splined centre lock fitting. Shimano compatible this rotor offers reduced heat transfer, lower noise and consistent braking. Supplied with optional replacement locking rings, for Thru axle and Quick release hubs. • 180mm High grade stainless steel rotor • Shimano compatible • Supplied with locking rings for Quick release and Thru axle hub • Consistent braking