Shimano GRX RD-RX812 11-Speed Rear Derailleur Long Black Compatio_Enriched repair kit or rain jacket

repair kit or rain jacket

Replaceable Cover (SKU: LT-STM4RT)

Orange Fluo

Tubular steel rivets

maximizing EFFICIENCY in the weakest part of the pedal stroke

Shimano GRX RD-RX812 11-Speed Rear Derailleur Long Black Compatio_Enriched repair kit or rain jacketWith 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