SHIMANO 105 Di2 ST-R7170 2-SPEED STI DUAL CONTROL LEFT exclude_premium_shipping The sealant-friendly repair plug is

The sealant-friendly repair plug is a unique viscoelastic impregnated rubber that bonds instantly and permanently with your tyre

Black rim graphics and spoke nipples

The Flare RT is smaller

Size: ETRTO 57 - 622 (29 x 2

Advanced Magturbo… Powerful and quiet

SHIMANO 105 Di2 ST-R7170 2-SPEED STI DUAL CONTROL LEFT exclude_premium_shipping The sealant-friendly repair plug isThe new SHIMANO 105 ST R7170 shift brake lever features Di2 electronic shifting for the first time, bringing precise, intuitive gear changes to even more riders. Reach adjustment and customized button functions allow you to dial in your ideal ergonomics. Features Shimano 105 Di2 ST R7170 2 Speed STI Dual Control Left for Hydraulic Disc Brake Clean cockpit: Wireless connection enhances the aesthetic of your bike while keeping shifting lightning fast