SRAM DUB T47 77mm Ceramic Bottom Bracket

The SRAM DUB™ bottom bracket series has a simple job—connect your crankarms and protect the smooth, long-lasting application of power to your drivetrain. To allow that singular focus, we've engineered the DUB™ spindle to be the one true unifying component. One oversized spindle to work across every bottom bracket specification. For better crankarm compatibility. For better protection from the elements. For longer-lasting performance. To be stronger, smoother, simpler. Now, back to the ride. FEATURES SPECS FEATURES: One oversized spindle to work across every bottom bracket specification. Easy installation Outboard and inboard cup options to support your bike’s spec. Sealed cartridge bearings available in both stainless and ceramic versions SPECS: BB Shell Thread: T47 Crank Spindle Diameter: 28.99mm Interface: DUB Primary Color: Black BB Bearing: Ceramic BB Shell Width: 77mm Model Description: T47 77mm Ceramic bottom bracket for Road and Road Wide DUB spindle cranks SRAM Model ID: B