Shimano GRX, with its gravel specific ergonomics, optimized gearing options, rugged reliability, and quiet and stable drivetrain, sets itself apart from the rest of the component world

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 an 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.

Features:

- Silent and uninterrupted rear shifting on rough terrain
- Adjustable chain stabilizer prevents chain slapping and drops
- SHIMANO SHADOW RD+
- Smooth and reliable mixed surface shifting
- Switch stabilizer ON/OFF to match the terrain
- Gravel-tuned clutch tension
- Compatible with current road DUAL CONTROL LEVER
- Maximum front difference: 17T
- Top sprocket: Max. 11T/Min. 11T

- Low profile Shadow Plus design 11-speed rear derailleur with Di2 technology for fast and precise shifting performance

- Shadow Plus uses a chain stabilising switch that when on will reduce chain bounce in rough terrain maintaining more stable drive and shifting

- High tolerance cold forged aluminium link plates and body construction is extremely light and durable

- 11-speed E-tube Di2 compatible

- Compatible with 11-speed HG chains

- Wide gear ratio compatible up to 11-34T

- For use with double chainset

- Weight: 287g

Genuine, brand new, boxed Shimano product - Biketart are an official UK Shimano stockist.