Shimano Dura-Ace RT-MT900 Disc Brake Rotor Size:140mm Built for quick accelerations with

Built for quick accelerations with noticeable aero gains

Larger driving cogs maximize drivetrain efficiency and create compatibility with both SHIMANO 11 and 12-speed freehub bodies

Winner of countless stages and one-day races at World Tour level since the start of the season

Zippered fly with double button on waistband and gripper elastic on back of waistband

8:1 ratio of fructose and glucose

Shimano Dura-Ace RT-MT900 Disc Brake Rotor Size:140mm Built for quick accelerations withThe pinnacle in mountain bike braking, SHIMANO XTR RT MT900 disc brake rotors deliver superb stopping power for the most aggressive riding. The ICE TECHNOLOGIES FREEZA rotors dissipate heat to maintain braking performance on long downhill stretches. SHIMANO's CENTER LOCK mounting system makes installing and removing rotors quick and easy thanks to the spine mount and lock ring design.