Hope BSA30 Bottom Bracket
Best durable upgrade for riders tackling harsh, wet weather conditions.
Built to outlast standard factory units, this external bottom bracket uses high-grade stainless steel bearings and a low-drag labyrinth seal. It is a robust, serviceable upgrade that keeps your drivetrain spinning smoothly across the most demanding mountain and fatbike terrain.
$130.00
More BSA Threaded Bottom Bracket options
Who it's for
- Riders demanding maximum stiffness and long-term component durability
- Mechanics who prefer maintaining their own equipment over replacing parts
- Cyclists riding frequently in wet, muddy, or harsh environments
Who should skip it
- Budget-conscious riders prioritizing lower upfront costs
- Cyclists wanting a simple, universal fit without extra adapters
- Home mechanics lacking specialized, brand-specific installation tools
Performance breakdown
Weather Resistance
Engineered specifically to withstand the harshest, wettest British riding conditions.
Bearing Longevity
High-quality sealed cartridges ensure smooth rotation for thousands of miles.
Installation Simplicity
Standard threaded design makes swapping or servicing straightforward for home mechanics.
Spindle Compatibility
Versatile fitment accommodates a wide range of modern 30mm cranksets.
Frame Versatility
Adapts seamlessly across various shell widths from 68mm to 120mm.
Build Robustness
Precision-machined construction offers exceptional stiffness and long-term structural integrity.
Key Specs
Bottom Bracket Shell I.D.
1.37
BB/Frame Interface
English
BB Shell Width (mm)
73
Weight
112
Spindle Interface Type
RaceFace/Easton CINCH
Defined Color
Black
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Ask Metto anything about the Hope BSA30 Bottom Bracket before you decide.