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BB90 bottom bracket

The BB90/95 standard is used by Trek on many frames. Two sealed bearings (37mm OD) are pressed directly in to the frame’s bottom bracket shell. A step is molded in to the frame for the bearings to seat against.

This product is currently out of stock and unavailable.

Important Notes
  • Trek BB90/95 frames do not use bearing retainer clips.
  • Wheel manufacturers do not make a cup & bearing system for BB90/95 frames. Your only option is to replace your existing bearings when necessary.
  • Compatible with 24mm or 24/22mm spindle cranks only.
SKU: BB90 Category:
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