Shimano GRX Di2 ST-RX715 12 Speed Shifter + Flat Mount Caliper Size:Front Brake - Right Hand Experience speed like never before

Experience speed like never before

and the descent with excellent rolling resistance

All-new shifting features create a smoother

With Hollowtech II crank arms for light weight and Shimano's class-leading chainring designs

Designed to provide you with a better sports bicycle experience the PRO Gap Cap Expander Carbon is the ideal upgrade for weight conscious cyclists looking to further reduce the weight of their cockpit set-ups

Shimano GRX Di2 ST-RX715 12 Speed Shifter + Flat Mount Caliper Size:Front Brake - Right Hand Experience speed like never beforeThe GRX Di2 ST RX715 Shift Hydraulic Disc Brake Lever Kit delivers fast 1x12 speed wireless shifting and powerful, easily controlled braking for any mixed terrain exploration. Up front, the easily programable wireless Di2 levers have a shape and lever path that is optimised for great ergonomics on handlebars with a flared drop, ensuring easy shifts and great bike control from either the hoods or from the drops of the handlebars. The brake lever has