Shimano 105 Di2 ST-R7170 Shift Lever - FrontShimano 105 Di2 ST R7170 Shift Lever 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

secure zeroPressure waist construction

Command Center Harness: Keeps essentials within easy reach

Tubeless valve included

By turning a smooth thumb wheel - situated on top of the helmet - the RolIsys® system permits an accurate and progressive peripheral sizing adjustment

The galvanized surface caps are available in many colors and provides durable protection against rust

Bicycle mobile phone mount compatible with phones up to 2

effectively alerting others of your presence

Right hand

Features: ABS Shell

and a flip-chip seatstay setup that allows riders to lower the bottom bracket by 8mm to slack out the bike

Troy Lee Designs is the place where "The World's Fastest Racers" go when only the best cycling protection will do

Bar Reach: 70 mm