Ceramicspeed bottom bracket BB Alpha BB86 41 x 86 mm SRAM DUB 29 28.99 mm spindle road 115420

CeramicSpeed BB ALPHA for BB86 SRAM DUB Road Bottom Bracket

The CeramicSpeed BB ALPHA BB86 SRAM DUB Road Bottom Bracket is a high-performance press-fit bottom bracket designed for SRAM DUB road cranksets and BB86 frames (41 mm bore, 86 mm width). It is engineered to deliver extremely low friction, high durability, and improved contamination protection, while maintaining a lightweight and serviceable design.

Key Features

• Designed for BB86 press-fit frames (41 × 86 mm)
• Compatible with SRAM DUB 28.99 mm crank axle
• Hybrid bearing system with hardened stainless-steel races and Silicon Nitride ceramic balls
• Up to 500% improved moisture protection
• Custom engineered seals for low friction and high durability
• Lightweight construction with simplified spacer system
• Easy installation and reduced setup complexity
• Backed by a lifetime warranty

Technology Highlights

• Hardened stainless steel bearing races for corrosion resistance
• CeramicSpeed grade-3 silicon nitride ceramic balls
• Custom light-contact seals balancing efficiency and protection
• POM dust covers with improved sealing design
• Optimized cup design using strong 7075 aluminum alloy
• Bearings positioned further out for improved contamination resistance

Technical Specifications

In the box

• CeramicSpeed BB ALPHA for BB86 SRAM DUB Road
• UFO Tech All Round Bearing Grease (5 ml)
• Decal

In practice

This bottom bracket is designed for riders seeking maximum efficiency and minimal drivetrain friction in road, triathlon, and track applications. The combination of ceramic bearings and high-precision sealing ensures smooth rotation, while the BB86/DUB compatibility makes it a premium upgrade for modern performance road bikes.