CeramicSpeed BB ALPHA
Best performance upgrade for competitive cyclists seeking marginal gains.
Engineered for extreme durability, this bottom bracket combines low-friction ceramic performance with advanced moisture sealing. It offers a significant upgrade in longevity and efficiency for mountain bike drivetrains, designed to outlast the frame itself.
More BB ALPHA options
Who it's for
- Competitive cyclists and performance-focused riders seeking every watt.
- Cyclists prioritizing long-term reliability and reduced maintenance frequency.
- Weight-conscious riders and racers aiming for peak bike performance.
Who should skip it
- Budget-conscious cyclists or those not prioritizing marginal gains.
- DIY mechanics without specific bottom bracket installation tools.
- Recreational riders who value comfort and reliability over speed.
Performance breakdown
Rotational Efficiency
Silicon Nitride ceramic balls deliver near-frictionless power transfer for every pedal stroke.
Weather Resistance
Advanced sealing technology effectively locks out mud, grit, and trail moisture.
Installation Simplicity
Simplified spacer architecture makes the press-fit process straightforward and stress-free.
Durability
Hardened stainless-steel races are built to outlast the frame itself.
Weight Optimization
Refined cup construction sheds unnecessary grams without sacrificing structural integrity.
Compatibility Precision
Engineered specifically for Shimano 24mm cranks to ensure a perfect fit.
Key Specs
Bottom Bracket Standard
BB92
Shell Width
92 mm
Shell Diameter
41 mm
Spindle Diameter
24 mm
Bearing Material
Silicon Nitride ceramic balls, Stainless steel races
Compatibility
Shimano 24mm cranks
Sealing Type
Custom-engineered seals
Water Resistant
Yes
Ceramic Bearings
Yes
Know before you buy
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Ask Metto anything about the CeramicSpeed BB ALPHA before you decide.