Shimano Dura-Ace RT-CL900 S Disc Brake Rotor Lockring - 160mm CenterLock Silver Bearing O.D. (mm)-24 Color Black Drivetrain Speeds Single

Color Black Drivetrain Speeds Single Speed 1/2" x 1/8" Half Link Chain Yes Chain Connection Type Pressed Pin Width 1/2 x 1/8 Defined Color Black

USB rechargeable

Length 75 Lock Style Integrated Advertised Weight 1

}Shimano Sora FC-3550 Left Crank Arm - 175mm

Shimano Dura-Ace RT-CL900 S Disc Brake Rotor Lockring - 160mm CenterLock Silver Bearing O.D. (mm)-24 Color Black Drivetrain Speeds SingleShimano Dura Ace RT CL900 S Disc Brake Rotor with Lockring 160mm CenterLock Silver. The Shimano RT CL900 disc brake rotor provides quiet and consistent braking control for any terrain. Consistent braking performance on any long steep descent thanks to excellent heat dissipation Robust arm shape for quiet operation without sacrificing weight or heat dissipation Heat dissipation paint boosts performance Includes lock ring with internal serration TECH