Shimano GRX RD-RX812 11-Speed Rear Derailleur 2026specspringsale Usage: Gravel / Adventure

Usage: Gravel / Adventure

Removable spider offers the ability to convert between existing chainring standards while remaining flexible to future developments

the Spherical Technology channels inside the lightweight unidirectional carbon shell allow us to achieve superior ventilation like never before — what we are calling our Thermal Exchange Airflow System™ (T

Fits K-Edge Garmin mounts {K13-500 (660147)

pin colours and enhanced graphics

Shimano GRX RD-RX812 11-Speed Rear Derailleur 2026specspringsale Usage: Gravel / AdventureDetails With an integrated chain stabilizer mechanism, the Shimano GRX derailleur provides a quieter experience with shifting security and precision on mixed terrain. For rides on smooth surfaces, the derailleur features and ON OFF switch for the chain stabilizer. The RD RX812 rear derailleur is compatible with MTB cassettes with a max cog size of 42T. Adjustable, gravel tuned chain stabilizer prevents chain slapping and drops Switch stabilizer ON OFF