Shimano GRX RD-RX812 11sp Rear Derailleur

SHIMANO GRX - Rear Derailleur - SHIMANO SHADOW RD+ - 42T max low sprocket - 11-speed

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.
 
Features:
Silent and uninterrupted rear shifting on rough terrain

• Adjustable chain stabilizer prevents chain slapping and drops
• SHIMANO SHADOW RD+

• 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) ✔
• Mount|Direct mount ✔
• Cable adjuster ✔
• Total capacity 31T
• Low sprocket|Max. 42T
• Low sprocket|Min. 40T
• Top sprocket|Max. 11T
• Top sprocket|Min. 11T
• Fluoric coated link bushings 4
• Pulley|Guide pulley bearing ✔
• Pulley|Tension pulley bearing ✔
• Pulley|Teeth 11T
• Pulley|Sunken type pulley screw ✔
• B-axle|Hollow axle ✔