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CeramicSpeed BB90 Kits

  • $319.99
  • Regular price $319.99

- Premium ceramic replacement bottom brackets for the Trek family of bikes
- CeramicSpeed bearings reduce friction and improve performance & durability
- 400% smoother, 128% harder, and 58% lighter than a standard steel bearing
- Coated options use a 75% harder bearing race, further reducing friction and wear
- Made from Grade 3 Silicon Nitrate - the highest possible grade
- Handmade in Denmark and used by numerous pro teams including Trek Factory Racing
- Only compatible with 24mm cranks
- Not compatible with BB30 cranks