SRAM BB30 DUB MTB/Road Bottom Bracket BB42-68/73-DUB
The SRAM DUB™ (Durable Unified Bottom Bracket) 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, SRAM has 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.

Version for BB30 (BB42) bb shells and 68 & 73 mm bb width

Things to Remember

one oversized spindle to work across every bottom bracket standard
sealed cartridge bearings
Gutter Seal Technology™ drastically improves sealing against the elements
Significantly lighter than GXP® system
DUB is no new bottom bracket shell standard

Case width: 68mm ||| 73mm
Material: cups: aluminium
Weight supplement: manufacturer information