Shimano GRX RD-RX817 Di2 1x11 Speed Rear Derailleur
402926

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Shimano GRX RD-RX817 Di2 1x11 Speed Rear Derailleur
402926

£309.99 £266.23 save £43.76
Intervening prices may have been charged
Save up to £125.13 with Cycle2work
  • Smooth and reliable mixed surface shifting
  • Adjustable chain stabilizer prevents chain slapping and drops
  • Switch stabilizer on/off to match the terrain

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Shimano GRX RD-RX817 Di2 1x11 Speed Rear Derailleur
Shimano GRX RD-RX817 Di2 1x11 Speed Rear Derailleur
£309.99 £266.23 save £43.76
Intervening prices may have been charged

Shimano GRX RD-RX817 Di2 1x11 Speed Rear Derailleur

Features and Benefits:
  • 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
  • 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 11-42T
  • For use with single chainset
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 a on/off switch for the chain tensioner. The RD-RX817 DI2 version offers the digital precision of Shimano electronic shifting and synchronized shifting and is compatible with 11-speed MTB cassettes with a maximum low sprocket of 40T or 42T.

Technical specifications:
  • Speeds: 1x11-speed (For single chainset)
  • Shifting: Electronic, Di2
  • Max. low sprocket: 42T
  • Min. low sprocket: 40T
  • Capacity: 31T
  • Weight: 318g
  • Model number: RD-RX817