Ultegra RX800 GS Rear Derailleur (11-Speed) Vendor_Dimension Bosch Drive Unit Compatibility: Active

Bosch Drive Unit Compatibility: Active Line

alloy single wall

Only for use on aluminium rims

and painted rims

Ultegra RX800 GS Rear Derailleur (11-Speed) Vendor_Dimension Bosch Drive Unit Compatibility: ActiveThe Shimano Ultegra RX800 GS 11 speed derailleur is the sister derailleur to the Ultegra R8000 derailleur, but features a "clutch," or what Shimano calls Shadow RD Plus technology. This is designed to reduce chain slap, noise and improve chain retention on bumpy section of riding surface. It is ideally suited to cyclocross, gravel and adventure riding. With it's GS long cage, the derailleur is compatible with up to a 34 tooth cog. The smooth and quick