SHIMANO Acera M3020-SGS Rear Derailleur - 7/8-Speed - Long Cage - Black closeout including waterproof grease and chain

including waterproof grease and chain lube/wax residue

It features a lightweight but stiff carbon inmoulded base

All shafts are 5mm in diameter

Shimano RT10 (Center Lock

Endurance-Specific Tread Pattern Design for better wet/mix-terrain grip

SHIMANO Acera M3020-SGS Rear Derailleur - 7/8-Speed - Long Cage - Black closeout including waterproof grease and chainCAGE LENGTH SGS Long TOTAL CAPACITY 45T MAX FRONT DIFFERENCE 20T CABLE ADJUSTER X COLOR SERIES COLOR MOUNT Direct attachment (conventional) NUMBER OF PULLY TEETH 11T SERIES Acera GENERATION M3000 MAX LOW SPROCKET 40T MIN LOW SPROCKET 30T REAR SPEEDS 7 8 TOP NORMAL SPRING TYPE Double servo