The SRAM DUB bottom bracket series has a simple jobconnect 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 specification. For better crankarm compatibility. For better protection from the elements. For longer-lasting performance. To be stronger, smoother, and simpler. Now, back to the ride.

• DUB MTB Wide
• One oversized spindle to work across every bottom bracket specification
• Gutter Seal Technology seals against the elements
• Significantly lighter than the GXP system
• Sealed cartridge bearings available in both stainless and ceramic versions
• ISO 4210 compliant. See Declaration of Conformity for details.

Bottom Bracket Frame Interface

• BSA, English/BSA (MTB Ai: 73mm)
• English/BSA (MTB/Road: 68/73mm)
• English/BSA 100mm
• English/BSA 68/73mm
• English/BSA 68mm
• English/BSA 73mm
• English/BSA 83-A
• English/BSA 83mm