SRAM BB30 DUB Road Bottom Bracket BB42-73-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 dust, dirt and water. For longer-lasting performance. To be stronger, smoother, simpler. Now, back to the ride.

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

Things to Remember

• one oversized spindle to work across every bottom bracket standard
• Greater bearing durability
• ISO 4210 compliant
• Material of the cups: aluminium
• Material of the bearings: steel