Shimano Dura-Ace RT-CL900 Ice-Tech Centerlock Internal Serration Disc Brake Rotor - 180mm - Centerlock - Standard - 1.8mm to 1.9mm YGroup_7033790201901 The classic Longneck ribbed grip

The classic Longneck ribbed grip pattern with an open end to accommodate end plugs

Proven with wins at World Cup DH and Enduro World Series events

Cons: Limited colour choice

9- and 10-speed freewheels made by Shimano

6 casing caps

Shimano Dura-Ace RT-CL900 Ice-Tech Centerlock Internal Serration Disc Brake Rotor - 180mm - Centerlock - Standard - 1.8mm to 1.9mm YGroup_7033790201901 The classic Longneck ribbed gripWith 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 The new arm shape is more robust, leading to quieter operation Heat dissipation paint boosts performance Model No: RT CL900 Series: Dura Ace R9200 Average weight: 139 grams (180 mm) Center Lock mounting Ice Technologies Freeza with heat dissipation paint