SHIMANO 105 Di2 ST-R7170 2-SPEED STI DUAL CONTROL LEFT Finance to fit Shimano Dura Ace/

to fit Shimano Dura Ace/ Ultegra/105/Sram/TRP

2 x Connecting Bolt

which prevents annoying jumping off the chain

unbelievable shifting performance

SHIMANO 105 Di2 ST-R7170 2-SPEED STI DUAL CONTROL LEFT Finance to fit Shimano Dura Ace/The 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