Shimano SM-RT54 Centerlock Disc Rotor Size:180mm making for greater stability and

making for greater stability and better weight distribution

durability and ergonomics

The mix is designed to be mixed with water with <40mg/L calcium content

Toggle clutch ON/OFF to match the terrain

Shimano SM-RT54 Centerlock Disc Rotor Size:180mm making for greater stability andOriginal 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)