CERAMICSPEED T47a Bottom Bracket for SRAM DUB

The CeramicSpeed T47a Bottom Bracket for SRAM DUB is a premium, threaded bottom bracket designed specifically for asymmetric T47 frames (commonly found on Cervélo bikes). It pairs T47's oversized threads with the ultra-low friction and durability of hand-built ceramic bearings.

Specifications

Frame Standard: T47a (Asymmetric Threaded, 77 mm shell width)
Crank/Spindle Compatibility: SRAM DUB (28.99 mm spindle diameter)
Bearing Type: Hand-built Grade-3 Silicon Nitride (ceramic) balls with hardened stainless-steel races
Cup Material: Lightweight machined Aluminum
Seals & Dust Covers: Custom-engineered seals offering up to 500% better moisture/debris protection over older generations
Grease: CeramicSpeed UFO Long Life or All-Round Grease