Ceramicspeed Alpha T47a 28.99mm SRAM Dub Bottom Bracket
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A bottom bracket built to outlast your frame. 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 still providing 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. Precisely pair a SRAM DUB crankset with 28.99 mm axle with a threaded T47 frame that is asymmetric and 77mm wide by selecting this high-quality bottom bracket from CeramicSpeed.
FEATURES
Custom designed dust cover, optimized for fitment & protection through 28 iterations
Hardened stainless steel races, built with ceramicspeed balls
Cup material and design optimized for strength and reduced weight
Super light spacer tube design with fewer variants for simplicity
Custom design seals proven to increase protection from moisture & contamination by 500%
SPECIFICATIONS
SKU: 115445
Net Weight: 101g
Gross Weight: 230g
BB Type: T47a
Crank Diameter: 28.99
For SRAM
