WHEELS Mfg Eccentric BB
Best reliable tensioning solution for single speed bike builders.
A robust solution for converting frames to single-speed setups without the need for complex tensioners. The machined aluminum construction and high-quality sealed bearings provide a durable, serviceable interface that outperforms standard plastic alternatives.
$204.00
Who it's for
- Experienced riders seeking fine-tuned bike geometry adjustments.
- Cyclists converting geared bikes to single-speed or fixed-gear.
- Riders with PF30 frames wanting to use common 24mm cranksets.
Who should skip it
- Riders sensitive to bike noise or preferring low-maintenance components.
- Home mechanics or those preferring straightforward component installation.
- Budget-conscious riders or those prioritizing minimal bike weight.
Performance breakdown
Build Durability
Machined aluminum construction significantly outperforms standard plastic press-fit alternatives.
Bearing Smoothness
Enduro angular contact bearings deliver exceptionally low friction under heavy pedaling loads.
Serviceability
Fully serviceable design allows for easy cleaning and long-term component maintenance.
Weather Resistance
Double-lip seals and high-fill grease effectively block out grit and moisture.
Adjustment Precision
The 12mm of chain adjustment provides fine-tuned tension for single-speed setups.
Installation Complexity
Requires specific tools and mechanical aptitude for a proper, creak-free fit.
Key Specs
Bearings
Enduro Angular Contact
Color
Black
Bottom Bracket/Frame Interface
PF30, Specialized Carbon OSBB
Bottom Bracket Shell Width
68mm - 73mm
Bottom Bracket Shell I.D.
46mm
Chain Adjustment
12mm
Crank Spindle Type
Shimano Hollowtech II, FSA MegaExo, RaceFace EXI
Crank Spindle Diameter
24mm
Weight
182g
Know before you buy
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