CeramicSpeed BB ALPHA BB86 Bottom Bracket – SRAM DUB

CeramicSpeed BB ALPHA Bottom Bracket – BB86 for SRAM DUB (115525)

The CeramicSpeed BB ALPHA bottom bracket is engineered to outlast your frame. Built with hardened stainless-steel races, hand-built grade-3 Silicon Nitride ceramic balls, and custom-engineered seals, BB ALPHA delivers ultra-low friction while providing up to 500% better moisture protection compared to conventional designs.

This model precisely pairs a SRAM DUB crankset (28.99 mm axle) with a press-fit 41 mm frame interface and 86 mm shell width, commonly referred to as BB86. A simplified spacer tube design and lighter cups allow for quick installation and a 10% weight reduction over previous CeramicSpeed generations.

All CeramicSpeed BB ALPHA bottom brackets are backed by a lifetime warranty.

Key Features

• CeramicSpeed BB ALPHA premium bottom bracket system

• Hardened stainless-steel races for extreme durability

• Grade-3 Silicon Nitride ceramic balls for ultra-low friction

• Custom seals and precision dust covers

• Up to 500% improved moisture protection

• Simplified spacer tube for faster installation

• 10% lighter than previous generations

• Lifetime warranty from CeramicSpeed

Specifications

• SKU: 115525

• Frame Interface: PressFit 41 mm

• Shell Width: 86 mm (BB86)

• Crank Compatibility: SRAM DUB (28.99 mm axle)

• Application: Road / Gravel

Compatibility

• Frames with BB86 (PF41 x 86 mm) bottom bracket shells

• SRAM DUB cranksets with 28.99 mm axle

• Road and gravel applications

In the Box

• CeramicSpeed BB ALPHA BB86 SRAM DUB bottom bracket

• UFO Long Life Grease (5 ml)

• CeramicSpeed decal