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maximizing the aerodynamic surface area of the arm
Its compact form factor tucks neatly under the saddle
Engineered for precise grind consistency and rapid dosing
It’s your most important day of training
Resin pad is a flexible compound with less noise
Shimano DISC BRAKE ASSEMBLED SET/J-KIT, GRX, ST-RX400(L), BR-RX400(F), RESIN(W/FIN), SM-BH90 BLACK newsale maximizing the aerodynamic surface areaExperience a new level of control and confidence on gravel and mixed terrain with the Shimano GRX ST RX400 Disc Brake Set, a reliable and ergonomic solution for a versatile drivetrain. The Shimano GRX ST RX400 BR RX400 Disc Brake Set is the definitive solution for a complete, high performance front braking and shifting system for your gravel bike. Meticulously engineered for the unique demands of off road riding, the ST RX400 lever features an
