SHIMANO GRX Di2 ST-RX815 2-SPEED STI DUAL CONTROL LEVER REAR discount_processed Expanding mechanism grabs the hub

Expanding mechanism grabs the hub cap evenly from the inside

This Bontrager-exclusive technology disrupts the safety standards that the industry has accepted for over 30 years

Width: 130mm

28-hole front/rear

SHIMANO GRX Di2 ST-RX815 2-SPEED STI DUAL CONTROL LEVER REAR discount_processed Expanding mechanism grabs the hubAll STI Dual Controller feature an 18mm higher brake lever pivot axis, a curved lever shape and non slip textures on the contact surfaces for optimum grip even in the roughest terrain. The STI line up of the GRX family is complemented by the 1x11 way RX800 and RX600 STIs for the left without switching or DSP functionality, including the 1x11 Di2 version (ST RX815), whose three switches (two on the side and one on the top of the cap) can be used to