Shimano GRX ST-RX400Shifter/Brake SetThe Shimano GRX ST-RX400 Shifter/Brake delivers light and responsive shifting for mixed-terrain riding. The shifter features an ergonomic design that improves comfort and a textured brake lever that increases control on bumpy roads or trails.With the new GRX line from Shimano, you get quick and intuitive shifting along with lever reach adjustment to perfectly dial in your ride.Shifter FeaturesGravel inspired lever and bracket ergonomicsAnti-slip brake lever with reach adjustGreater mixed-terrain controlSame light shifting operation as top tier systemsShifters sold individually, left or rightCaliper FeaturesExcellent heat dissipationFlat mountConvenient tool accessSimple wheel replacementEasy and clean bleeding systemNever hesitate to tackle rough surfacesSimple set up and maintenanceSpecificationsWeight: 307g (Shifter only)Brake caliper: BR-RX400Cable Type: OPTISLICKFront shifter speeds (left):2Rear shifter speeds (right): 10 | Shimano GRX ST-RX400 Shifter/Brake Set Front, 2 Speed