SHIMANO GRX - DI2 - Rear Derailleur - SHIMANO SHADOW RD+ - 34T 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.
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FEATURE
- Adjustable chain stabilizer prevents chain slapping and drops
- Switch stabilizer ON/OFF to match the terrain
- Gravel-tuned clutch tension
BENEFIT- Silent and uninterrupted rear shifting on rough terrain
- Smooth and reliable mixed surface shifting
- Compatible with current road DUAL CONTROL LEVER
- Top sprocket: Max. 11T/Min. 11T
- Low sprocket: Max. 42T/Min. 40T
- Total capacity: 31T
MODEL NO RD-RX812 SERIES SHIMANO GRX 11-speed Color Series color Average weight 267 g B-Axle_Hollow axle ✔ Cable adjuster ✔ Compatible chain HG-EV 11-speed/HG-X11 Direct attachment (Conventional) ✔ Fluoric coated link bushings 4 Low sprocket_Max. 42T Low sprocket_Min. 40T Pulley_G pulley bearing ✔ Pulley_Sunken type pulley bolt ✔ Pulley_Teeth 11T Pulley_T pulley bearing ✔ Rear speeds 11 Top-Normal spring type_SHADOW RD+ ✔ Top-Normal Spring Type SHIMANO SHADOW RD+ Top sprocket_Max. 11T Top sprocket_Min. 11T Total capacity 31T