Shimano Dura-Ace ST-R9270-R 12 Speed Di2 Shifters - Left Rear Tyre Width_20c while stacked paddle knobs down Includes front and rear Crank Arm Length_172mm FDM8020E6 / U22 E2 Select:Right Rear (1700mm)

while stacked paddle knobs down the middle offer unrivaled climbing and braking traction so you can attack whenever you like

with an extension loop (league / world cup - not included) or with long single extensions (medium/long distances - not included)

Quick release bracket

Alloy body and outer link leads to lower weight without compromising strength and durability

Shimano Dura Ace ST R9270 R 12 Speed Di2 Shifters Left Rear Tyre Width_20c while stacked paddle knobs down Includes front and rear Crank Arm Length_172mm FDM8020E6 U22 E2 Select:Right Rear (1700mm) while stacked paddle knobs down the middle offer unrivaled climbing and braking traction so you can attack whenever you like with an extension loop (league world cup not included) or with long single extensions (medium long distances not included)