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.

Excellent

Installation Simplicity

Standard threaded design makes shop-tool installation quick and straightforward.

Excellent

Bearing Smoothness

Custom angular contact bearings deliver consistent, low-friction rotation for riders.

Excellent

Interface Stability

P3 Connect spindle interface ensures a rock-solid, creak-free power transfer.

Excellent

Maintenance Accessibility

Non-serviceable bearing design limits long-term repair options for home mechanics.

Average

Weather Resistance

Lacks specific water-resistant seals, requiring more frequent care in wet climates.

Average

Structural Integrity

7075-T6 aluminum construction offers exceptional stiffness under heavy pedaling loads.

Excellent

Installation Simplicity

Standard threaded design makes shop-tool installation quick and hassle-free.

Excellent

Bearing Smoothness

Custom angular contact bearings deliver consistent, friction-free rotation on the trail.

Excellent

Interface Stability

P3 Connect spindle interface ensures a rock-solid, creak-free connection.

Excellent

Maintenance Accessibility

Non-serviceable bearing design limits long-term repair options for home mechanics.

Average

Weather Resistance

Lacks specialized sealing, requiring more frequent attention in wet conditions.

Average

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

Still have a question?

Ask Metto anything about the e*thirteen EXA+ BSA Threaded Bottom Brackets before you decide.

e*thirteen EXA+ BSA Threaded Bottom Brackets

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