Shimano GRX Di2 ST-RX715 12 Speed Shifter + Flat Mount Caliper Size:Front Brake - Right Hand With its well-considered feature set

With its well-considered feature set

while flat-lock seams minimize chafing for a smooth finish

and Infinite Light Power Pack+ compatibility offers versatility and enhanced performance

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

All-new shifting features create a smoother

Shimano GRX Di2 ST-RX715 12 Speed Shifter + Flat Mount Caliper Size:Front Brake - Right Hand With its well-considered feature setThe 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