Shimano GRX RD-RX815-GS Di2 11-Speed Rear Derailleur / 34t
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.
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
- 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
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