CeramicSpeed BB Alpha Road T47/86

The CeramicSpeed BB Alpha Road T47/86 is a next-generation bottom bracket tailored for threaded T47 frames with 86 mm shell width. It combines premium ceramic bearings with precision-machined cups and enhanced sealing to deliver long-lasting, ultra-smooth performance in road builds.

Designed to optimize drivetrain efficiency and durability, this bottom bracket supports 24 mm (Shimano) crank spindles and features a simplified, lightweight spacer tube design. Every component—from the hardened bearing races to the dust covers and seals—is engineered for minimal friction and maximum resistance to the elements.

Specifications Snapshot

• BB Standard: Threaded T47, 86 mm shell width
• Spindle Interface: 24 mm (Shimano / compatible systems)
• Weight (net): ~96 g
• Material: Anodized aluminum cups + hardened stainless-steel bearing races
• Bearings: Grade-3 silicon nitride ceramic ball bearings
• Sealing System: Advanced contact seals & optimized dust covers
• Included Accessories: Grease, spacers, dust covers
• Warranty: Lifetime warranty

Design Benefits

1. Low friction & high efficiency: Ceramic bearings reduce drivetrain losses while maintaining smooth rotation.
2. Robust protection: Hardened races and improved sealing deliver significantly better moisture and contamination resistance.
3. Optimized structure: The new spacer tube design and lighter cups simplify installation and cut weight.
4. Serviceability: Removable dust covers and a modular layout facilitate maintenance and part replacement.
5. Long-term performance: Engineered for endurance, this bottom bracket can withstand heavy use in varied conditions.

Final Take

The CeramicSpeed BB Alpha Road T47/86 is an elite-level upgrade for riders seeking best-in-class performance in a threaded bottom bracket. With its balance of precision engineering, durability, and low friction, it’s built to stand the test of time on top-tier road builds.