Shimano 105 ST-R7120 12 Speed Shifter + Flat Mount Caliper Size:Left Shifter / Rear Brake an entire system synchronized

an entire system synchronized

improves comfort and performance

Barrel / Thumb Lock aluminum

The integrated stem cap of the all-new Contact SLR stem ensures a smooth flow of air over the top of the stem while the specifically designed shape of the spacers offers seamless integration and air transition over the side of the stem

Shimano 105 ST-R7120 12 Speed Shifter + Flat Mount Caliper Size:Left Shifter / Rear Brake an entire system synchronizedThe 105 disc brake combines BR R7170 caliper and ST R7120 shift brake lever for 2x or 12 speed shifting. It has 10% more pad clearance for quieter braking, plus powerful and controllable deceleration. One Way Bleeding makes it easy to maintain. The two piece aluminium caliper is light and fits any bike. The ST R7120 shift brake lever has a revised ergonomic design, reduced reach, and weighs 200g more than its electronic counterpart.