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-RX815 DI2 version offers the digital precision of SHIMANO electronic shifting and synchronized shifting. and is compatible with road cassettes with a 34T low sprocket max.
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- Adjustable chain stabilizer prevents chain slapping and drops
- Switch stabilizer ON/OFF to match the terrain
- Gravel-tuned clutch tension
Â
- Silent and uninterrupted rear shifting on rough terrain
- Total capacity: 38T
- Smooth and reliable mixed surface shifting
- Compatible with current road DUAL CONTROL LEVER
- Maximum front difference: 17T
- Top sprocket: Max. 11T/Min. 11T
- Low sprocket: Max. 34T/Min. 30T
MODEL NO RD-RX815
SERIES SHIMANO GRX DI2
Average weight 287 g
Top-Normal spring type_SHADOW RD+ ✔
Direct attachment ✔
E-tube connector (pcs) 0
E-tube port (pcs) 1
Firmware update by E-TUBE Project ✔
Fluoric coated link bushings 4
Low sprocket_Max. 34T
Low sprocket_Min. 30T
Max front difference 17T
Rear speeds 11
Sealed bearing guide pulley ✔
Sealed bearing tension pulley ✔
Top-Normal Spring Type SHADOW RD+
Top sprocket_Max. 11T
Top sprocket_Min. 11T
Total capacity 38TÂ



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