With 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. The RD-RX810 rear derailleur is compatible with road cassettes with a 34T low sprocket max.
FEATURES
Silent and uninterrupted rear shifting on rough terrainAdjustable chain stabilizer prevents chain slapping and dropsSHIMANO SHADOW RD+Smooth and reliable mixed surface shiftingToggle clutch ON/OFF to match the terrainSwitch stabilizer ON/OFF to match the terrainGravel-tuned clutch tensionCompatible with current road DUAL CONTROL LEVERMaximum front difference: 17TTop sprocket: Max. 11T/Min. 11TLow sprocket: Max. 34T/Min. 30TTotal capacity: 40T