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SRAM DUB bottom bracket series is simple: connect your crank arms and get smooth, long-lasting power transfer to the drivetrain. To enable this unique focus, SRAM has designed the DUB axle to be the only true component. An oversized axle for all bottom bracket standards. For better crank arm compatibility, better protection from the elements, longer lasting performance, and to be stronger, smoother and easier.
Product technical specifications
- Application: Road
- Type: PressFit BB86
- Shell Diameter: 41 mm
- Shell Width: 86.5 mm
- Axle Diameter: 28.99 mm (DUB)
- Bottom Bracket Cup Material: steel
- Easy to install
- Two completely sealed ball bearings
- ISO 4210 compliant
TECHNOLOGIES
DUB The unit of crankshaft and bottom bracket is the heart of the DUB technology. Stiffness meets durability. SRAM has gone a step further and made everything even easier and better. It is the system approach through the integration of chainring, crank, shaft and bottom bracket that is decisive for better drivetrain performance.
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