Sram Bottom Bracket BSA/DUB. 1.37x24. 68x73

The SRAM DUB bottom bracket series has a simple job: connect your connecting rods and protect the smooth and durable application of power to your powertrain. To enable that singular approach, we have designed the DUB axis to be the only true unifying component. A large shaft to work in all specifications of the bottom bracket. For better crank compatibility. For better protection against the elements. For longer-lasting performance. To be stronger, softer, simpler. Now, let's get back to the ride.

• A large shaft to work in all specifications of the bottom bracket
• Gutter Seal Technology ™ seals against the elements
• Significantly lighter than GXP® system
• Sealed cartridge bearings available in stainless steel and ceramic versions