SRAM PressFit BB121 DUB Fatbike Bottom Bracket Cups PF41-121-DUB 00.6418.016.001

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 PressFit (PF41) bb shells and 121 mm bb width (Fatbike).

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.