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 dirt, durst and water. For longer-lasting performance. To be stronger, smoother, simpler. Now, back to the ride.
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Things to Remember
- one oversized spindle to work across every bottom bracket standard
- sealed cartridge bearings
- Gutter Seal Technologyâ„¢ drastically improves sealing against contamination
- Significantly lighter than GXP® system
- DUB is no new bottom bracket shell standard
Case width: 68mm
Material of the cups: aluminium
Material of the bearings: steel







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