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Shimano GRX RD-RX820 12sp Rear Derailleur

Sale price$169.99 CAD

With an integrated chain stabilizer mechanism, the GRX rear 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-RX820 rear derailleur is compatible with MTB cassettes with a 42T low sprocket max.

  • GRX 12 speed rear derailleur for double cranks
  • Adjustable chain stabilizer prevents chain slapping and drops
  • Gravel-tuned clutch tension can be toggled ON/OFF to match the terrain
  • Maximum front difference: 17T
  • Total capacity: 42T
  • Low sprocket: Max. 34T/Min. 30T
  • Top sprocket: 11T

*while we do our best to ensure accuracy with all images and product details, we cannot guarantee product will be represented with 100% accuracy*

We don't list every item stocked in-store at Cowichan Cycles for sale on our online store. If you're looking for something not listed, reach out and we might just have what you're looking for.

Shimano GRX RD-RX820 12sp Rear Derailleur
Shimano GRX RD-RX820 12sp Rear Derailleur Sale price$169.99 CAD