Shimano GRX RD-RX812 11-Speed Rear Derailleur Long Black Compatio_Enriched PRO Gap Cap)

PRO Gap Cap)

Orange Fluo

maximizing EFFICIENCY in the weakest part of the pedal stroke

6mm stem clamp

repair kit or rain jacket

Shimano GRX RD-RX812 11-Speed Rear Derailleur Long Black Compatio_Enriched PRO Gap Cap)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 and ON OFF switch for the chain tensioner. The RD RX812 rear derailleur is compatible with mtb cassettes with a 42T low sprocket max. Silent and uninterrupted rear shifting on rough terrain Adjustable chain stabilizer prevents chain slapping