The SRAM DUB MTB Wide BSA Bottom Bracket is a high-performance solution for modern 55mm chainlines. Designed for threaded British shells, it features the robust DUB interface for enhanced durability and a simplified drivetrain setup. This "Wide" version is specifically engineered to accommodate contemporary MTB frame geometries and increased tire clearances.

Constructed with durable steel bearings and black threaded cups, it fits 68/73mm shell widths and matches the standard 28.99mm DUB spindle diameter. The system provides a secure, creak-free interface that withstands the rigors of aggressive trail riding. It is the definitive choice for riders needing reliable performance and precise alignment for their 55mm chainline cranksets.

Quick Facts

Feature	Specification
Chainline Support	55mm (MTB Wide)
Shell Standard	Threaded BSA (British)
Shell Width	68/73 mm
Spindle Diameter	28.99 mm (DUB)
Bearing Material	Steel
SKU	00.6418.015.005