Shimano Dura-Ace RT-CL900 Ice-Tech Centerlock Disc Rotor Fe Sport Mushrooming of the pins gives

Mushrooming of the pins gives unsurpassed side-plate retention

BARREL Carbon sheath

while its ventilation and cooling properties are enhanced

TIRE LEVERS Super hard anodized (emergency use only)

If you have a skinny frame consider sizing down one size

Shimano Dura-Ace RT-CL900 Ice-Tech Centerlock Disc Rotor Fe Sport Mushrooming of the pins givesDesigned 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