ACER RACING SRAM DUB Ceramic Bottom Bracket

SRAM has introduced bike cranksets which use a new technology name DUB™ (Durable Unified Bottom Bracket) with the goal being to simplify frame bottom bracket and crankset compatibility across their product lines. Our full line of DUB compatible bottom brackets are super lightweight, strong and smooth with our world famous Ceramic Nitride Pro Series bearings. Get more power to the ground with optimal efficiency. We have several options to choose from: BBRight DUB, BSA DUB, BB30 DUB, PF30A DUB, PF30 DUB and BB86/92 DUB

The following is the dimensional specification for bottom bracket:

BSA DUB: BB Shell BSA 1.37"x24 TPI - 68/73mm