Shimano GRX Di2 ST-RX715 Disc Brake Lever Size:Left 17–27 mm for 28 x

17–27 mm for 28 x 1

at the same time

Single-click activation dramatically reduces fork movement

• Ability to run lower tire pressure and improve traction and rolling resistance

Shimano GRX Di2 ST-RX715 Disc Brake Lever Size:Left 17–27 mm for 28 xGravel cycling is about adventure, not exclusivity. Whether exploring new horizons, touring off paved roads, or simply enjoying a weekend ride, everyone deserves reliable and high performance equipment. True to this belief and in line with the motto "United in Gravel," Shimano has developed components that suit every rider and every budget. With the GRX RX717 series, even more Gravel athletes can now benefit from an electronic Di2 shifting system that