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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:
- Adjustable chain stabilizer prevents chain slapping and drops
- Switch stabilizer ON/OFF to match the terrain
- Gravel-tuned clutch tension
Benefits:
- 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
| Model | GRX Mechanical |
|---|
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