SHIMANO GRX RD-RX812 Shadow RD+ Direct rear derailleur

SHIMANO GRX - Rear Derailleur - SHIMANO SHADOW RD+ - 42T max. low gear - 11 speed With an integrated chain stabilizer mechanism, the SHIMANO GRX derailleur provides a quieter experience and secure, precise shifting on mixed terrain. For smooth surfaces, the derailleur has an ON/OFF switch for the chain tensioner. The RD-RX812 derailleur is compatible with road sprockets with a max. of 42D. Features: - Quiet, seamless shifting on rough terrain - Adjustable chain stabilizer prevents chain slack and slippage - SHIMANO SHADOW RD+ - Smooth and reliable shifting on mixed surfaces - Change the ON/OFF position of the gimbal to suit the terrain - Clutch tension tuned for gravel - Compatible with existing DUAL CONTROL road lever - Top Sprocket: Max. 11D/min. 11D - Bottom Sprocket: Max. 42D/min. 40D - Overall capacity: 31D