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Shimano Tourney RD-A070 Rear Derailleur - 7 Speed, Short Cage, Black, Shimano Rear Direct Mount - SoCal Bike - Oceanside, Carlsbad and north San Diego county's favorite bike shop, Bicycle and ebike
Shimano SIS deraileur(5 Speed) to Tourney(6/7 Speed) : r/bikewrench