2437 Open Bore Adapter


SKU: 2437OB

In stock


Our 2437 open bore adapter is used to press 24x37 sealed bearings in to Shimano compatible bottom bracket cups, and direct fit frames like Trek BB90. The adapter is machined with one step at 24mm OD, which fits in to the center of the sealed bearing.

  • Use with 24x37x7 bearing
  • Outer Diameter: 37mm
  • Inner Step Diameter: 24mm
  • Inner hole sized to fit 3/8" threaded rod
  • Compatible with PRESS-1 or PRESS-4 handles
  • Machined, anodized gray aluminum
  • Sold individually
  • Precision Machined


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