The new 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.

This overview shows which bottom bracket fits your frame.
Specifications:
Application:
Road
Type:
BB386 Evo
Shell Diameter:
46 mm
Shell Width:
86.5 mm
Axle Diameter:
28.99 mm (DUB)
Technical Information:
Bottom Bracket Cup Material:
aluminium
Features:
easy to install
PressFit for lighter weight
integrated adjuster
ISO 4210 compliant
Technology:
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.