CeramicSpeed BB ALPHA for BSA Shimano Road Bottom Bracket
The CeramicSpeed BB ALPHA BSA Shimano Road Bottom Bracket is a premium BSA (English threaded) bottom bracket designed for Shimano 24 mm road cranksets. It is engineered to deliver ultra-low friction, exceptional durability, and superior bearing protection.
The BB ALPHA range improves upon previous CeramicSpeed generations with enhanced moisture protection, lighter construction, and simplified installation, while maintaining the brand’s signature low rolling resistance.
Key Features
Designed for BSA / English threaded 68 mm frames
Compatible with Shimano 24 mm axle cranksets
Ultra-low friction performance
Lifetime warranty
Up to 500% improved moisture protection
Lightweight and serviceable design
Simplified installation with no spacers required for Shimano compatibility
Technology Highlights
Hardened stainless steel bearing races for excellent corrosion resistance
Grade-3 Silicon Nitride ceramic balls for ultra-low friction
Custom-engineered light-contact seals for optimal efficiency and protection
Stainless steel reinforced seal backing for increased durability
POM plastic dust covers for enhanced contamination resistance
7075 aluminum cups for improved strength and reduced weight
Approximately 10% lighter than previous generations
Technical Specifications
Specification
Details
Type
Bottom bracket
Standard
BSA (English threaded 68 mm)
Crank Compatibility
Shimano
Axle Diameter
24 mm
Intended Use
Road
Material
7075 aluminum cups + stainless steel races
Bearings
Ceramic (Silicon Nitride)
Net Weight
81 g
SKU
115412
In the box
CeramicSpeed BB ALPHA for BSA Shimano Road bottom bracket
UFO TECH All Round Bearing Grease (5 ml)
Decal
In practice
This bottom bracket is an ideal upgrade for riders looking to maximize the performance of their Shimano 24 mm road crankset, offering minimal drivetrain friction, outstanding durability, and superior bearing protection. It combines the reliability of the BSA threaded standard with CeramicSpeed’s high-performance ceramic bearing technology.
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