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T47a Bottom Bracket

Current price: $265.30 Original price: $379.00
30% off

Style & Size:


Why We Like The CeramicSpeed T47a Bottom Bracket

With compatibility for four different spindle sizes, the CeramicSpeed T47a bottom bracket gives us a high-end option for our dream road bike build no matter what crankset we choose to run. CeramicSpeed hand builds their bearings for durability and efficency so that our cranks spin effortlessly and we don't have to sacrifice any watts.


  • High-end ceramic bottom bracket for frames with T47a bottom brackets
  • Silky smooth hand-made bearings minimize drivetrain friction
  • 77mm asymmetrical shell is threaded for a secure fit
  • Ceramic bearings are harder, rounder, and more corrosion resistant
  • Options for 24mm, 25mm, 30mm, and SRAM DUB spindles
  • Item #CMD1SR1
[cups] aluminum, [bearings] ceramic
Shell Type
Shell Width
Spindle Type
24mm, 25mm, 30mm, SRAM DUB
dust covers, spacers, CeramicSpeed All Round Grease, stickers
road cycling
Manufacturer Warranty
4 years