WHEELS Mfg Eccentric BB
Best solution for precise chain tensioning on compatible frames.
This component simplifies the transition to a single-speed drivetrain by providing precise chain tension adjustment within a standard frame. Its durable, fully serviceable construction ensures long-term reliability, making it a practical upgrade for those seeking a cleaner, more efficient setup without sacrificing performance.
$206.00
at
Wheels Manufacturing
Who it's for
- Cyclists upgrading or customizing their BB30 frame with specific cranksets.
- Riders building single-speed or internally geared hub bikes.
- Performance-focused riders seeking reliable and long-lasting drivetrain components.
Who should skip it
- DIY mechanics without experience in eccentric bottom bracket setups.
- Riders sensitive to drivetrain noise or seeking a completely silent ride.
- Weight-conscious riders or those on a strict budget for bike components.
Performance breakdown
Conversion Versatility
Seamlessly adapts standard frames for reliable single-speed drivetrain setups.
Bearing Durability
Enduro angular contact bearings offer exceptional longevity under heavy pedaling loads.
Tension Precision
Provides 12mm of adjustment for perfect chain line and tension.
Build Quality
Machined aluminum construction outperforms plastic alternatives in stiffness and reliability.
Serviceability
Fully rebuildable design ensures years of smooth operation with simple maintenance.
Installation Complexity
Requires specific frame compatibility and careful setup for optimal performance.
Key Specs
Bearings
Enduro Angular Contact
Color
Black
Bottom Bracket/Frame Interface
BB30, Specialized Alloy OSBB
Bottom Bracket Shell Width
68mm - 73mm
Bottom Bracket Shell I.D.
42mm
Chain Adjustment
12mm
Crank Spindle Type
GXP
Crank Spindle Diameter
22/24mm
Weight
182g
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