SRAM DUB Bottom Bracket Cartridge
Best durable option for specific crankset compatibility.
This bottom bracket is the essential link for riders upgrading to wide-stance cranksets. Its lightweight aluminium build keeps your bike nimble, though you will need a specific 12-notch tool to get it installed properly. It is a no-nonsense upgrade that prioritizes durability and precise chain alignment over universal compatibility.
$44.55
at
IBK Sport
More DUB options
Who it's for
- Riders seeking a dependable, low-maintenance bottom bracket for their bike.
- Cyclists committed to the SRAM ecosystem and its diverse crankset options.
- Performance-oriented riders prioritizing efficient power delivery and responsiveness.
Who should skip it
- Home mechanics without specialized tools or those preferring universal compatibility.
- Budget-conscious cyclists seeking more affordable alternatives for their bike builds.
- Builders wanting flexibility with non-SRAM cranksets or diverse component brands.
Performance breakdown
Weight Efficiency
At 76g, it keeps your drivetrain light without sacrificing structural integrity.
Installation Complexity
Requires a specific 46mm tool, making home servicing slightly less accessible.
Build Quality
Robust aluminium construction ensures long-term reliability under heavy trail loads.
Compatibility Range
Standard BSA threading makes this a versatile fit for most frames.
Drivetrain Alignment
The 55mm chain line is perfectly optimized for modern wide cranksets.
Maintenance Ease
Cartridge design simplifies replacement but limits internal bearing serviceability.
Key Specs
Material
Aluminium
Compatible with
68-73 mm cage
Inner frame diameter
34.75 mm
Chain line
55 mm
Weight
76g
Mounting
requires a spanner or a 12-notch 46 mm adapter
Bottom Bracket Standard
BSA
Shell Width
68/73mm
Spindle Interface
DUB
Sealing Type
Not specified
Know before you buy
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