Shimano Shimano GRX RD-RX820 12-Speed Rear Derailleur, Shadow+, Max 36T For Double

Information

• 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 12-speed rear derailleur 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
• Compatible with 12-speed Hyperglide+ chains
• Wide gear ratio compatible up to 11-36T
• For use with double chainset