Ceramicspeed bottom bracket BB ALPHA for BSA english thread SRAM DUB Road 28.99 mm spindle road 115414

CeramicSpeed BB ALPHA BSA SRAM DUB Road Bottom Bracket

The CeramicSpeed BB ALPHA BSA SRAM DUB Road Bottom Bracket is a premium BSA (English threaded) bottom bracket designed for SRAM DUB cranksets with a 28.99 mm axle. It is engineered to deliver maximum drivetrain efficiency, ultra-low friction, and exceptional durability for high-performance road use.

The BB ALPHA platform represents CeramicSpeed’s next-generation design, featuring improved sealing, reduced weight, and simplified installation, while maintaining the brand’s signature ultra-low rolling resistance.

Key Features

• Designed for BSA / English threaded 68 mm frames
• Compatible with SRAM DUB cranksets (28.99 mm axle)
• Ultra-low friction performance
• Lifetime warranty
• Up to 500% improved moisture protection
• Lightweight and serviceable construction
• Simplified installation with included DUB spacer kit

Technology & Construction

• Hardened stainless-steel bearing races for corrosion resistance
• Grade-3 Silicon Nitride ceramic balls
• Custom light-contact seals for the ideal balance of efficiency and protection
• Stainless-steel reinforced seal backing
• High-stiffness POM dust covers
• 7075 aluminum cups for reduced weight and increased strength
• Optimized bearing placement for improved contamination resistance
• Approximately 10% lighter than previous generations

Technical Specifications

In the box

• CeramicSpeed BB ALPHA BSA SRAM DUB Road bottom bracket
• DUB spacer kit
• UFO TECH All Round Bearing Grease (5 ml)
• Decal

In practice

This bottom bracket is an excellent choice for SRAM DUB cranksets in BSA threaded road frames, offering extremely low friction, long service life, and outstanding bearing protection. It is especially suited for high-performance road, endurance, and triathlon applications.