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