GRX Rear Derailleur 10-speed (RD-RX400) The North Face adjustability and weight savings

adjustability and weight savings

Built with our trusted HELLY TECH® PERFORMANCE 2-layer system

ideal for high-cadence paddling

SPOT X APP

no-lace ease

GRX Rear Derailleur 10-speed (RD-RX400) The North Face adjustability and weight savingsWith an integrated chain stabilizer mechanism, the SHIMANO GRX derailleur provides a quieter experience and shifting security and precision on mixed terrain. For rides on smooth surfaces, the derailleur features and ON OFF switch for the chain tensioner. Silent and uninterrupted rear shifting on rough terrain Adjustable chain stabilizer prevents chain slapping and drops SHIMANO SHADOW RD+ Smooth and reliable mixed surface shifting Switch stabilizer ON