GRX Rear Derailleur 11-speed (RD-RX812) Tentree Grip: 3 ply laminated ash

Grip: 3 ply laminated ash

Head Weight: 700 g

Mounting Rubber straps

Non-Skid & Non-Marking Raised Feet

GRX Rear Derailleur 11-speed (RD-RX812) Tentree Grip: 3 ply laminated ashWith 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 RX812 rear derailleur is compatible with mtb cassettes with a 42T low sprocket max. Silent and uninterrupted rear shifting on rough terrain Adjustable chain stabilizer prevents chain slapping