CeramicSpeed BB ALPHA ITA Shimano Road Bottom Bracket
The CeramicSpeed BB ALPHA ITA Shimano Road Bottom Bracket is a premium Italian-threaded (ITA) bottom bracket designed for Shimano road cranksets with a 24 mm spindle.
The BB ALPHA series represents CeramicSpeed’s latest generation of bottom brackets, offering extremely low friction, improved sealing performance, reduced weight, and simplified installation.
Key features
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ITA (Italian threaded) standard
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Compatible with Shimano 24 mm spindle cranksets
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Extremely low friction
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Lifetime warranty
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Up to 500% improved protection against moisture ingress
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Lightweight and serviceable design
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Simple installation without spacers
Technology and construction
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Hardened stainless steel bearing races for corrosion resistance
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Grade 3 silicon nitride ceramic balls
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Custom low-contact seals
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Stainless steel reinforced seal protection
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High-stiffness POM dust covers
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7075 aluminum cups for a lightweight and durable construction
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Optimized bearing positioning to reduce contamination
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Approximately 10% lighter than the previous generation
Technical specifications
| Specification | Details |
|---|
| Type | Bottom bracket |
| Standard | ITA (Italian threaded) |
| Compatibility | Shimano |
| Spindle diameter | 24 mm |
| Application | Road / Triathlon / Track |
| Material | 7075 aluminum cups + steel bearing races |
| Bearings | Ceramic (silicon nitride) |
| Net weight | 80 g |
| SKU | 115415 |
| Color | Black |
What's in the box
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CeramicSpeed BB ALPHA ITA Shimano Road Bottom Bracket
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UFO TECH All Round Bearing Grease (5 ml)
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Sticker set
In practice
This bottom bracket is designed for riders using Shimano 24 mm spindle cranksets in Italian-threaded frames who demand maximum efficiency and exceptionally low friction. The advanced sealing system and ceramic bearings provide outstanding durability and protection against moisture and contamination, making it an excellent choice for high-performance road, triathlon, and track cycling.