New Shimano Deore RD-M6000-GS MTB Shadow+Rear Derailleur 10-speed Medium Cage | eBay
Complete guide to rear derailleurs: everything you need to know - BikeRadar
Sale on Shimano XT RD-M786 SGS 10-Speed Rear Derailleur For All type of Bicycles, Mountain Bikes, Mountain Bicycles, Enduro, Gravel and Cross Bikes even eBikes