SRAM BB DUB T47 Ceramic (Road and Road Wide) 77mm (including 2.5, 3.0, 5.5 DUB spacer):

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

• 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

SPECIFICATIONS
BB-frame interface T47 (Road and Road Wide) 77mm
Crank-BB interface DUB
Bearing type Ceramic
Spindle diameter DUB
Cup material Aluminum