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Ultra-low friction performance with 500% enhanced protection, optimized for Shimano 24mm crank systems.
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The CeramicSpeed BB ALPHA BSA version is engineered for Shimano 24 mm axle cranks and BSA / English threaded 68 mm frames. Built with hardened stainless-steel bearing races and grade-3 Silicon Nitride ceramic balls, it delivers exceptional smoothness, efficiency, and long-term durability.
Custom-designed seals and precision dust covers provide up to 500% better protection against moisture and contamination.
The optimized cup material and updated structure reduce weight by 10% while enhancing overall strength.
A simplified spacer tube design allows for quicker, more secure installation.
All BB ALPHA models are supported by a lifetime warranty.
FEATURES
Custom-designed dust covers, refined across 28 engineering iterations.
Hardened stainless-steel races paired with CeramicSpeed grade-3 ceramic balls.
Advanced sealing system delivering up to 500% improved resistance to moisture and contaminants.
Strength-optimized lightweight cups, reducing weight by 10%.
Simplified spacer tube for fast and precise installation.
Lifetime warranty for long-term confidence.
SPECIFICATIONS
Discipline: Road
SKU: 115412
Net Weight: 81 g
Gross Weight: 193 g
BB Type: BSA English Threaded 68 mm
Crank Diameter: 24.0 mm
Crank Brand: Shimano
Crank Width: 68.0 mm
IN THE BOX
CeramicSpeed BB ALPHA for BSA Shimano Road
UFO All Round Grease 5 ml
Decal