Race Face Cinch Bottom Bracket
Best durable upgrade for fat bike riders seeking smooth pedaling performance.
This bottom bracket bridges the gap between modern 30mm spindle cranks and traditional threaded frames. It offers a reliable, smooth-spinning solution that simplifies drivetrain compatibility without sacrificing performance or durability.
$65.99
at
Sierra Cyclesmith
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Who it's for
- Fat bike riders frequently tackling wet or muddy trail conditions
- Custom builders wanting to pair modern cranks with threaded frames
- Home mechanics looking for a reliable and easy-to-service component
Who should skip it
- Budget-conscious DIYers who prefer using their existing tool kits
- High-mileage riders who prioritize maximum bearing longevity over weight
- Value-oriented cyclists seeking the most affordable replacement parts
Performance breakdown
Bearing Smoothness
Standard 6806 bearings offer reliable, low-friction rotation for consistent power transfer.
Installation Versatility
Included spacers make adapting to various crank systems straightforward and stress-free.
Structural Rigidity
Robust construction minimizes flex under heavy pedaling loads for efficient output.
Frame Compatibility
Specifically engineered for threaded BSA frames, limiting use on press-fit bikes.
Weight Efficiency
At 87 grams, it keeps rotating mass low without sacrificing essential durability.
Maintenance Ease
Standard retainer bearings are serviceable but require specific tools for removal.
Key Specs
Weight
87g
Spindle Diameter
30mm
Shell Width
100mm
Shell Thread Type
English
Bearing Type
6806 retainer
Spindle Interface
RaceFace/Easton CINCH, 386 EVO, Rotor 3D+, e*Thirteen P3 Connect, Zipp Vuma
Included Parts
Inner plastic sleeve, Spacer
Know before you buy
Still have a question?
Ask Metto anything about the Race Face Cinch Bottom Bracket before you decide.
