Shimano Dura-Ace FC-R9200 Crankset - 170mm 12-Speed 54/40t Hollowtech II Spindle Interface BLK Model=Sidekick Rear Hub Model Duroc JUNIT Size 20"

Model Duroc JUNIT Size 20" Internal W 26mm Depth 17mm Hole 28 Brake Disc Type Tubeless Material Aluminum ERD 389mm Color Black Weight 325g Hole Count 28H

Metal-backed EKONOL (PTFE/Teflon) bushings to achieve tight tolerances and the lowest possible friction to allow easier actuation

Breathable synthetic upper material transport sweat vapor keeping you feeling comfortable

The Redline 2

Integrated notch in end cap allows easier dissasembly Rear Axle 12mm Thru x 142mm Cassette Body Type Shimano Micro Spline Color Black Skewer Included No Bearing Type Sealed Cartridge Defined Color Black Spoke Interface J-Bend Hub Drilling 24 Hub/Brake Compatibility Center-Lock Disc

Shimano Dura-Ace FC-R9200 Crankset - 170mm 12-Speed 54/40t Hollowtech II Spindle Interface BLK Model=Sidekick Rear Hub Model Duroc JUNIT Size 20"The Shimano Dura Ace FC R9200 crank performs two vital functions; transferring your pedaling effort into the drivetrain and ensuring the fastest most precise front shifting available. With HOLLOWTECH II crank arms to ensure light weight and Shimano's class leading chainring designs the FC R9200 won't let you down. Optimal balance of stiffness strength weight and rotational performance HOLLOWGLIDE structure cuts weight yet maintains strength for better