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CeramicSpeed BB ALPHA BSA Bottom Bracket for 24MM Road

Eugene Cech February 20, 2026

MPN: 115412

$449.00

CeramicSpeed performance for BSA frames and 24 mm road cranksets

Only 1 left in stock – Ships today! (Tuesday)

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CeramicSpeed BB ALPHA BSA Bottom Bracket for 24MM Road

The CeramicSpeed BB ALPHA BSA Bottom Bracket for 24MM Road is built for BSA 68 mm shells and 24 mm crank spindles. The BB ALPHA provides up to 500% better moisture protection and keeps the signature low-friction feel CeramicSpeed delivers. The new BB ALPHA design is also lighter, cutting weight by 10% compared to previous generations. CeramicSpeed’s premium ceramic ball bearings sit at the core of the system. These bearings cut drag by an average of 75% compared to standard bottom brackets. CeramicSpeed hand-assembles each BB ALPHA in Holstebro, Denmark to ensure exceptional precision and quality and they back every unit with a lifetime warranty.

 

Key Features

  • Lightweight Design: A simplified spacer tube, lighter cups and the ceramic bearings make this a very lightweight bottom bracket.
  • Robust Sealing: Custom engineered seals and dust covers offer outstanding protection from water and dirt.
  • Low Friction: CeramicSpeed has been in the business of ceramic ball bearings since the 90s, and their proprietary Silicon Nitride balls are 100% smoother and 15% harder than other ceramic bearings. In addition this bottom bracket uses a road-specific grease, further reducing drag.
  • Lifetime Warranty: CeramicSpeed builds the BB ALPHA to such a high standard that they back it with a lifetime warranty.

 

CeramicSpeed BB Alpha Bottom Bracket Comparison

ModelPriceGreaseShellCranksetsWeight
CeramicSpeed BB ALPHA BB86 Bottom Bracket for 24MM Road$449UFO All Round GreaseFits BB86 shellsFits 24 mm cranksets78 grams
CeramicSpeed BB ALPHA BB86 Bottom Bracket for SRAM DUB Road$449UFO All Round GreaseFits BB86 shellsFits DUB cranksets76 grams
CeramicSpeed BB ALPHA BSA Bottom Bracket for 24MM Road$449UFO All Round GreaseFits BSA (English) shellsFits 24 mm cranksets81 grams
CeramicSpeed BB ALPHA BSA Bottom Bracket for SRAM DUB Road$449UFO All Round GreaseFits BSA (English) shellsFits DUB cranksets87 grams
CeramicSpeed BB ALPHA T47 Inboard Bottom Bracket for 24MM Road$449UFO All Round GreaseFits T47 85.5 and 86 mm road shellsFits 24 mm cranksets96 grams
CeramicSpeed BB ALPHA T47 Inboard Bottom Bracket for SRAM DUB Road$449UFO All Round GreaseFits T47 85.5 and 86 mm road shellsFits DUB cranksets89 grams
CeramicSpeed BB ALPHA T47 Outboard Bottom Bracket for 24MM Road$449UFO All Round GreaseFits T47 85.5 and 86 mm road shellsFits 24 mm cranksets115 grams
CeramicSpeed BB ALPHA T47 Outboard Bottom Bracket for SRAM DUB Road$449UFO All Round GreaseFits T47 85.5 and 86 mm road shellsFits DUB cranksets114 grams

Compatibility

  • Shell: Compatible with BSA English Threaded 68 mm bottom bracket shells.
  • Crankset: Fits Shimano 24 mm cranks or other cranksets that use a 24 mm spindle.

Specs

  • Shell Width: 68 mm
  • Shell Type: BSA English Threaded
  • Threading: English Threaded
  • Spindle/Axle Diameter: 24 mm
  • Weight: 81 grams
  • Bearing Material: Grade-3 Silicon Nitride Ceramic

In the Box

  • CeramicSpeed BB ALPHA BSA Bottom Bracket for 24MM Road
  • UFO All Round Grease 5 ml
  • Decal
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