Shimano Dura-Ace RT-CL900 Center Lock Disc Brake Rotor Kickstands these inserts are compatible with

these inserts are compatible with a variety of crank arm models

and Giant hydraulic disc brake systems

Engineered with an innovative Carbon Fibre & Graphene Blend technology

reducing fatigue during extended rides

ULTEGRA Series: R8000

Shimano Dura-Ace RT-CL900 Center Lock Disc Brake Rotor Kickstands these inserts are compatible withQuieter control for any terrain. With a focus on decreasing disc brake rotor heat deformation, the result of the new disc brake rotor is quieter than ever brake performance without sacrificing weight or heat dissipation. Features Quieter than ever, but with superb, consistent braking performance on any long, steep descents thanks to excellent heat dissipation The new arm shape is more robust, leading to quieter operation Heat dissipation paint boosts