GRX ST-RX600 / BR-RX400 Seatpost Parts and Accessories Supportive Environment: Perfect for those

Supportive Environment: Perfect for those who are new to cycling and want to learn in a relaxed

Carbon blade with Lever Pivot Bearing technologies

Aggressive & Built for the Toughest Trails

V2 crankset has one-piece arm/spindle for even more weight savings

Compatible with most seat clamps

GRX ST-RX600 / BR-RX400 Seatpost Parts and Accessories Supportive Environment: Perfect for thoseGRX ST RX600 11 speed shifters and flat mount BR RX400 hydraulic calipers Anti slip brake lever increases control on bumpy terrain Raised brake lever pivot point increases leverage from the hoods Adjustable lever reach Compatible with 11 speed mechanical GRX and road derailleurs Forged aluminum BR RX400 calipers Pre assembled with SM BH90 JK SSR high power hose Includes L03A resin pads with improved wear resistance Attributes Brake Material Aluminum