The SRAM DUB English/BSA bottom bracket is designed for mountain bikes with an 83mm threaded (BSA) bottom bracket shell, commonly found on downhill, freeride, and gravity bikes.

Built around SRAMs DUB (Durable Unified Bottom Bracket) system, it features a 28.99mm spindle diameter that works seamlessly with DUB cranksets while improving bearing durability and simplifying compatibility.

The English/BSA threaded interface provides a secure fit, easy maintenance, and proven reliability in tough riding conditions.

This model comes complete with a 4.5mm DUB spacer and a 2.5mm aluminium inner spacer to ensure correct chainline, bearing preload, and crank arm clearance.

• Fits MTB frames with 83mm BSA threaded bottom bracket shells.
• Designed for use with SRAM DUB cranksets.
• Durable sealed bearings for smooth rotation and long life.
• Includes 4.5mm DUB spacer and 2.5mm aluminium inner spacer.
• Ideal for gravity, downhill, and aggressive all-mountain riding.

Compatibility:

• Works with SRAM DUB cranksets and spindles.
• Suitable for frames with 83mm BSA threaded shells.
• Not compatible with press-fit bottom bracket systems.