SRAM MTB PressFit 30 83mm DUB Bottom Bracket

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The new SRAM DUB bottom bracket series has the simple job of connecting your crankarms and protect the smooth, long-lasting application of power to your drivetrain. Even simple jobs need to be done well, so SRAM have 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.


• DUB: (Durable Unified Bottom Bracket)
• Water/Gritproof: offering better sealing than ever before
• DUB is compatible with all major bottom bracket standards
• World’s Lightest Crank Set: with this BB you can use SRAM cranks, the world’s all-time lightest crank set

• Model ID: BB-PF30-B2
• Crank-BB Interface: DUB
• Bearing Type: Standard
• Cup Material:
• Shell Width: 83mm
• Internal Diameter: 46mm
• BB to Frame Interface: PF30 (68-92mm)