Shimano Dura-Ace RT-CL900 Ice-Tech Centerlock Disc Rotor Bikebox and Campagnolo® Ekar™ 13-speed chains)

and Campagnolo® Ekar™ 13-speed chains) or single-speed chain

Light Modes 9

you'll stay comfortable while reducing drag

while its folding bead increases performance

we have revolutionised the sport of cycling

Shimano Dura-Ace RT-CL900 Ice-Tech Centerlock Disc Rotor Bikebox and Campagnolo® Ekar™ 13-speed chains)Designed for the demands of modern road, gravel and XC racing, the Shimano RT CL900 ICE TECHNOLOGIES FREEZA Disc Rotor delivers exceptional braking consistency, outstanding heat management and whisper quiet performance on even the longest descents. As Shimanos flagship DURA ACE rotor, the RT CL900 is engineered to maintain confident braking under extreme conditions while remaining incredibly lightweight. The updated rotor arm design improves rigidity