Warning: unlink(/homes/velossimolocal/storage/cache/cache.catalog.language.1785960369): No such file or directory in /homes/velossimolocal/public_html/system/library/cache/file.php on line 68Ceramicspeed bottom bracket BB ALPHA T47 T47a 77 mm asymmetric SRAM DUB Road 28.99 29 mm spindle road eg Factor Cervelo 115445
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A bottom bracket built to outlast your frame. The CeramicSpeed BB ALPHA is custom-engineered to precisely pair a SRAM DUB crankset (28.99 mm spindle) with a threaded T47a asymmetric frame (77 mm shell width).
BB ALPHA features hardened stainless-steel races hand-built with Grade-3 Silicon Nitride ceramic balls, custom-engineered seals, and precision dust covers—delivering up to 500% better moisture protection while retaining ultra-low friction performance. The simplified spacer tube design and lighter cups ensure quick installation and a 10% weight reduction over previous generations. All CeramicSpeed BB ALPHA models are backed by a lifetime warranty.
Key Features
Lifetime Warranty
Hardened stainless-steel races with Grade-3 ceramic balls
Up to 500% improved moisture and contamination protection
Corrosion resistant by design with ultra-low friction performance
10% weight reduction and simplified spacer tube design
Lightweight, reusable, and fully serviceable construction
Technical Specifications
Brand
CeramicSpeed
Model
BB ALPHA T47a SRAM DUB Road
Part Number (SKU)
115445
BB Standard (BB Type)
T47a (Asymmetric threaded, 77 mm width)
Crank Spindle Diameter
28.99 mm (SRAM DUB)
Crank Brand Compatibility
SRAM
Discipline
Road, Tri, and Track
Net Weight
101.0 g
Gross Weight
230 g
In the Box
CeramicSpeed BB ALPHA for T47a SRAM DUB Road bottom bracket
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