Shimano ST-R7170 105 Di2 Left Shift/Brake Lever With Rear Disc Caliper

Shimano's 105 series is the ultimate introduction to performance cycling offering an incredible balance of performance, weight and value. The R7170 Front Disc Brake provides excellent power and modulation thanks to its 2 piston design. While the R7170 dual control lever is ideal for drop bar road and gravel bikes, with its easy grip lever and smooth shifting action. With the Shimano 105 R7170 Front Disc Brake and R7170 Left Shift Lever set, riders are offered superb braking performance and slick shifting for a fantastic ride every time.