SRAM DUB Bottom Bracket
Best reliable upgrade for cyclists needing smooth, weather-resistant drivetrain performance.
A reliable external bottom bracket for mountain bikes, this component offers a standard threaded interface and DUB spindle compatibility. It's designed for 73mm shells and provides a durable connection for your crankset, ensuring efficient power transfer on the trail.
$38.00
at
CBI Bikes
More DUB options
Who it's for
- Mechanics and riders seeking simplified crankset compatibility across different frames
- Cyclists riding in wet or muddy conditions needing durable bearings
- Home mechanics preferring creak-free, easy-to-install threaded bottom bracket systems
Who should skip it
- Riders wanting to mix Shimano or other non-SRAM cranksets
- Budget-conscious mechanics avoiding the purchase of additional proprietary tools
- Cyclists looking for the most affordable replacement parts available
Performance breakdown
Weather Resistance
Gutter Seal technology effectively keeps grit and grime out of bearings.
Installation Simplicity
Standard threaded design makes swapping or servicing a straightforward, tool-friendly task.
Weight Efficiency
Lightweight aluminum construction keeps rotating mass low without sacrificing structural integrity.
Compatibility Range
Oversized spindle design works well but limits you to DUB-specific cranksets.
Bearing Longevity
Sealed cartridge bearings offer reliable, smooth rotation for thousands of miles.
Serviceability
Non-serviceable design means you replace the unit rather than the bearings.
Key Specs
Weight
73 grams
Material
Aluminum
Sealing Type
Gutter Seal
Bottom Bracket Standard
BSA Threaded
Shell Width
73 mm
Shell Diameter
34.8 mm
Spindle Diameter
29 mm
Spindle Interface
SRAM DUB
Water Resistant
Yes
Serviceable Bearings
No
Know before you buy
Still have a question?
Ask Metto anything about the SRAM DUB Bottom Bracket before you decide.