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SRAM DUB Bottom BracketsThe SRAM DUB Bottom Brackets are made for DUB 29 mm cranks. They feature SRAM’s new DUB technology. This new bottom bracket system provides for compatibility with all existing frame shell standards. Perfectly integrating the relationship between crank and bottom bracket, this bottom bracket promises a stronger, smoother and simpler ride! CompatibilitySRAM DUB BB30 Road/MTB 68/73 MM Bottom Bracket: Compatible with BB30 68 road and 73 mm MTB shells.SRAM DUB BSA Road/MTB 68/73 MM Bottom Bracket: Compatible with English (BSA) threaded 68 mm road and 73 mm MTB shells.SRAM DUB PressFit Road 86.5 MM Bottom Bracket: Compatible with PressFit 86.5 mm road shells.SRAM DUB T47 Road 85.5 MM Bottom Bracket: Compatible with T47 85.5 mm road shells.SRAM DUB Wide T47 Road 85.5 MM Bottom Bracket: Compatible with T47 85.5 mm road shells.SRAM DUB BB30A Road 73 MM Bottom Bracket: Compatible with BB30A (Cannondale) 73 mm road shells.SRAM DUB PressFit 30 Road BBRight 79/83 MM Bottom Bracket: Compatible with PressFit 30 BBRight 79/83 mm road shells.SRAM DUB PressFit 30 Road/MTB 68/73 MM Bottom Bracket: Compatible with PF30 68 mm road and 73 mm MTB shells.SRAM DUB PressFit 30A Road 73 MM Bottom Bracket: Compatible with PF30A (Cannondale) 73 mm road shells.SRAM DUB PressFit MTB 89/92 MM Bottom Bracket: Compatible with PressFit 89/92 mm MTB shells.SRAM DUB Italian Road 70 MM Bottom Bracket: Compatible with ITA Threaded 70 mm road shells. Why Buy from Power Meter City1. We ship fast! All orders ship on the same day your order is placed!2. Free shipping on all orders in the U.S.3. We are an authorized SRAM dealer and this product comes with a full warranty.4. Expert advice and customer service in case you need any help.5. We offer a free, 30-day return policy on new items. About our CompanyAt Power Meter City, we focus on power meters and related accessories and components. Our focus on these products means we can offer you the best possible selection, advice and service.We have been in business since 2016 and are based in southern California. We are an authorized dealer of every product we sell.