CeramicSpeed Shimano Standard BB90/95 Kit

A high‑performance bottom bracket upgrade engineered to enhance speed, efficiency, and longevity on Trek carbon frames using the BB90/95 system. CeramicSpeed’s world‑class bearings dramatically reduce friction, delivering a smoother and more responsive ride.

• CeramicSpeed bearings for ultra‑low friction and long‑term performance
  
• 400% smoother, 128% harder, and 58% lighter than standard steel bearings
  
• Grade 3 Silicon Nitride balls — the highest bearing grade available
  
• Handmade in Denmark and trusted by pro teams, including Trek Factory Racing
  
• Compatible exclusively with 24 mm crank spindles
  
• Not compatible with BB30 crank systems
  
• BB90 integrated design, 90 mm width, 39 g