Shimano Wireless Connection Hydraulic Right Lever Only 12s ISTR7170RE ST-R7170

Clean Cockpit: Wireless connectivity allows for a simpler and more aesthetically pleasing bike cockpit while maintaining high-speed shifting. Uses two CR1632 batteries, reducing the frequency of replacements (lifespan: 3.5 to 4 years). Compact and overwhelmingly ergonomic performance inherited from the DURA-ACE design. The upward-extending grip section improves gripping stability and ergonomics in aero positions. Customizable to your optimal specifications. Freely assign switch operations using the E-TUBE app. The reach adjustment function allows you to set the optimal lever position. right