Rear Derailleur. Shimano Shadow RD+. 10-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. Average weight: 303
- Silent and uninterrupted rear shifting on rough terrain
- Adjustable chain stabilizer prevents chain slapping and drops
- Smooth and reliable mixed surface shifting
- Switch stabilizer ON/OFF to match the terrain
- Gravel-tuned clutch tension
- Compatible with current 10s road DUAL CONTROL LEVER
- Wide range front gearing
- Maximum front T difference: 16T
- Top sprocket: Max. 11T/Min. 11T
- Low sprocket: Max. 36T/Min. 32T
- Total capacity: 41T
