Shimano SM-RT26 6-bolt RotorShimano's SM-RT26 Ice-Tech 6-Bolt Disc Rotor provides excellent stopping performance in all conditions. Featuring a one-piece stainless steel design, this state-of-the-art rotor has been specially designed for use alongside resin pads. To top it off, this model has anti-loosening washers which reduce installation time, allowing for quick and secure assembly, so you can spend less time in the workshop and more time out riding.Features: Material: Stainless Steel Disc Rotor Mount: 6-Bolt BCD: 44mm Anti-loosening washers for quick and secure assembly Designed for resin pad onlyBuy Shimano Components from Chain Reaction Cycles, the World's Largest Online Bike Store.