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Genuine replacement parts

Coated options use a 75% harder bearing race, further reducing friction and wear.

Product details

  1. 400% smoother, 128% harder, and 58% lighter than a standard steel bearing
  2. Compatible with SRAM DUB 29mm cranks
  3. Made from Grade 3 Silicon Nitrate - the highest possible grade

More options


Manufacturer part # 107335
Width 68 to 83mm
Length No axle
BB type T47
We reserve the right to make changes to the product information contained on this site at any time without notice, including with respect to equipment, specifications, models, colors, and materials.
Weights are based off Trek pre-production products at time of publication. Weights may vary in final production.

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