Wheels Manufacturing PF30A Thread Together Bottom Bracket
Best reliable adapter for cyclists installing Shimano cranks on PF30A frames.
This thread-together bottom bracket finally solves the creak-prone headaches of PF30A frames by locking everything into a rock-solid, stable interface. You trade the simplicity of press-fit systems for a more robust, serviceable design that prioritizes long-term drivetrain smoothness over quick installation.
$167.00
at
eBay
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Who it's for
- Cyclists tired of annoying creaks and frame noise
- Riders seeking long-term reliability and fewer maintenance headaches
- Performance enthusiasts prioritizing drivetrain efficiency and smooth pedaling
Who should skip it
- Budget-conscious riders looking for an affordable replacement part
- Home mechanics lacking specialized bottom bracket installation tools
- Weight-obsessed racers chasing every gram of bike savings
Performance breakdown
Bearing Smoothness
Enduro bearings deliver a buttery, low-friction rotation for efficient power transfer.
Installation Stability
Thread-together design eliminates common creaking issues found in press-fit systems.
Build Precision
American-made machining ensures a perfect fit within the PF30A shell.
Maintenance Ease
Replaceable bearings significantly extend the lifespan of the entire unit.
Drivetrain Rigidity
Outboard bearing placement provides a stiff, stable platform for hard pedaling.
Compatibility Versatility
Seamlessly bridges the gap between specialized frames and standard Shimano cranks.
Key Specs
Bottom Bracket Standard
PF30A
Spindle Interface
Shimano Hollowtech II
Spindle Diameter
24mm
Shell Width
73mm
Shell Diameter
46mm
Bearing Type
ABEC-3
Bearing Material
Steel
Material
Aluminum
Weight
158g
Tool Interface
44mm x 16 notch
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