SRAM BB DUB English/BSA (MTB) 83mm (including 4.5 DUB spacer and 2.5 alu inner spacer):

SINGULAR FOCUS. BETTER SOLUTION.
The new 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 standard. For better crankarm compatibility. For better protection from the elements. For longer-lasting performance. To be stronger, smoother, simpler. Now, back to the ride.

THINGS TO REMEMBER
One oversized spindle to work across every bottom bracket standard
Gutter Seal Technology™ drastically improves sealing against the elements
Significantly lighter than GXP® system

FEATURES AND BENEFITS
Gutter Seal Technology™
Sealed cartridge bearings
ISO 4210 compliant. See Declaration of Conformity for details.

SPECIFICATIONS
BB-frame interface English/BSA 100mm, English/BSA 73mm, English/BSA 83mm
Crank-BB interface DUB
Bearing type Standard
Spindle diameter DUB
Spindle length n/a
Chainline n/a
Support E-type FD n/a
Cup material Aluminum, Steel