Original Shimano SM-RT54 Center Lock disc suitable for Shimano Deore brakes. Available in the sizes: 180 and 160mm. Centerlock Disc not compatible with conventional disc rotor mount (6 holes System)! The 180mm disc requires a special adapter. Please do not exceed the disc specifications of your fork/frame.

Mfr Claimed Weight
141g (160mm), 164g (180mm)