FSA Bottom Bracket
FSA

FSA Bottom Bracket

4.2

Best reliable replacement for cyclists seeking a quiet and smooth drivetrain.

A comprehensive replacement kit designed to restore drivetrain smoothness and eliminate play. It provides all necessary hardware for a complete overhaul, ensuring reliable power transfer and long-term durability for mountain bike cranksets.

$40.99

Out of stock
Bottom Bracket Standard BB30
Shell Diameter Mm
Shell Width Mm 73
0
73
Spindle Diameter Mm
Spindle Interface Type

Who it's for

  • Performance cyclists looking to maximize power transfer and minimize weight
  • Competitive racers seeking an optimized and streamlined pedaling position
  • Aggressive riders who demand high stiffness during sprints and climbs

Who should skip it

  • Quiet-ride enthusiasts who prefer the reliability of threaded systems
  • Home mechanics who want to avoid investing in expensive specialized tools
  • All-weather commuters and mountain bikers riding in muddy environments

Performance breakdown

Bearing Durability

Stainless steel construction offers reliable resistance against harsh trail conditions.

Excellent

Installation Ease

Comprehensive hardware kit makes swapping out old components straightforward and efficient.

Excellent

Drivetrain Efficiency

Smooth rotation effectively eliminates creaking and restores responsive power transfer.

Good

Weather Protection

Standard sealing provides basic defense but lacks advanced water-resistant capabilities.

Good

Maintenance Potential

Non-serviceable design means replacement is required once the bearings wear out.

Average

Compatibility

Perfectly tailored for BB30 standards, ensuring a precise and secure fit.

Excellent

Key Specs

Bottom Bracket Standard

BB30

Shell Width

73 mm

Bearing Material

Stainless Steel

Bearing Count

2

Intended Use

Mountain Biking

Ceramic Bearings

No

Serviceable Bearings

No

Adjustable Chainline

No

Water Resistant

No

Know before you buy

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FSA Bottom Bracket

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