Shimano RT-54 Centre-Lock Disc RotorThe RT-54 Centre-Lock Disc Rotor from Shimano is ideal for use with Shimano hydraulic mountain bike (MTB) brakes and provides exceptional stopping power in all weather conditions.This stylish design features a stainless-steel construction with an aluminium spider at its core. Its build assists with heat dissipation and helps maintain consistent braking performance as you ride from trail to trail. Plus, it uses Shimano's Centre-Lock system for quick and easy mounting and hassle-free maintenance. Features: Rotor Material: Stainless Steel Spider Material: Aluminium Use: MTB Design: 2-piece Brake Pad Compatibility: Resin Part Number: 3056001114Buy Shimano Components from Chain Reaction Cycles, the World's Largest Online Bike Store.