Shimano GRX RD-RX812 11 Speed Shadow+ Single Rear Mech

Shimano GRX, with its gravel specific ergonomics, optimized gearing options, rugged reliability, and quiet and stable drivetrain, sets itself apart from the rest of the component world The GRX series offers premium performance at an incredible value, with thoughtful ergonomic designs and gravel-centric gearing for all manners of unpaved adventures. SHIMANO GRX - Rear Derailleur - SHIMANO SHADOW RD+- 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-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 and drops- SHIMANO SHADOW RD+- Smooth and reliable mixed surface shifting- Switch stabilizer ON/OFF to match the terrain- Gravel-tuned clutch tension- Compatible with current road DUAL CONTROL LEVER- Top sprocket: Max. 11T/Min. 11T- Low sprocket: Max. 42T/Min. 40T- Total capacity: 31T Specifications: - MODEL NO: RD-RX812- SERIES: GRX 11-speed- Color: Series color- Average weight: 267- Rear speeds: 11- Compatible chain: LINKGLIDE, HG 11-speed- Top-normal spring type: SHIMANO SHADOW RD+- Mount: - Direct attachment (conventional) - Direct mount- Cable adjuster: - Total capacity: 31T- Low sprocket: - Max. 42T - Min. 40T- Top sprocket: - Max. 11T - Min. 11T- Fluoric coated link bushings: 4- Pulley: - Guide pulley bearing - Tension pulley bearing - Teeth 11T- Pulley: - Sunken type pulley screw - B-axle: - Hollow axle Genuine, brand new, boxed Shimano product - Biketart are an official UK Shimano stockist.