e*thirteen EXA+ BSA Threaded Bottom Brackets
Best durable component for demanding riders.
A robust, threaded solution designed to keep your drivetrain spinning smoothly under heavy load. These cups prioritize durability and precise alignment, offering a reliable upgrade for riders who demand consistent performance from their cranksets on every ride.
$47.95
at
Sierra Cyclesmith
More Bottom Bracket options
Who it's for
- Riders prioritizing component longevity and reliability.
- Home mechanics and riders valuing easy component servicing.
- Performance-oriented cyclists seeking a dependable and quiet drivetrain.
Who should skip it
- Weight-obsessed racers or gram-counting enthusiasts.
- Budget-conscious cyclists or those needing basic functionality.
- Owners of bikes with non-BSA (e.g., press-fit) bottom bracket shells.
Performance breakdown
Structural Integrity
7075-T6 aluminum construction offers exceptional stiffness under heavy pedaling loads.
Installation Simplicity
Standard threaded design makes shop-tool installation quick and straightforward.
Bearing Smoothness
Custom angular contact bearings deliver consistent, low-friction rotation for riders.
Interface Stability
P3 Connect spindle interface ensures a rock-solid, creak-free power transfer.
Maintenance Accessibility
Non-serviceable bearing design limits long-term repair options for home mechanics.
Weather Resistance
Lacks specific water-resistant seals, requiring more frequent care in wet climates.
Structural Integrity
7075-T6 aluminum construction offers exceptional stiffness under heavy pedaling loads.
Installation Simplicity
Standard threaded design makes shop-tool installation quick and hassle-free.
Bearing Smoothness
Custom angular contact bearings deliver consistent, friction-free rotation on the trail.
Interface Stability
P3 Connect spindle interface ensures a rock-solid, creak-free connection.
Maintenance Accessibility
Non-serviceable bearing design limits long-term repair options for home mechanics.
Weather Resistance
Lacks specialized sealing, requiring more frequent attention in wet conditions.
Key Specs
Material
7075-T6 aluminum
Bottom Bracket Standard
BSA (English) threaded
Shell Width
73 mm
Bearing Type
Angular contact
Interface
P3 Connect
Ceramic Bearings
No
Serviceable Bearings
No
Adjustable Chainline
No
Water Resistant
No
Commercial Use
No
Know before you buy
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Ask Metto anything about the e*thirteen EXA+ BSA Threaded Bottom Brackets before you decide.