SHIMANO BB-RS500 Bicycle Bottom Bracket Review Posted by Pelicandy October 8, 2018 in Drivetrain Components BOTTOM BRACKET PARTS BB-RS500 RIGHT & LEFT ADAPTER Sealed cartridge unit Genuine Shimano Parts. Long-lasting performance. New seal construction Random Products XTR Shimano FC-M780 Chainring Variations Review Unbranded American / Ashtabula 1pc Crankset Bike B... White Industries ENO Freewheel Sealed Cartridge Fr... Wippermann Special Edition 10-Speed Chain Review Cycling Outdoor Recreation Parts & Components SHIMANO Sports & Outdoors