Our 6806 open bore adapter is used to press 42x30 sealed bearings. The adapter is machined with one step at 30mm OD, which fits into the center of the sealed bearing. Common bearing size for BB30 frames and bottom brackets.
Installs: 6806 bearing
Inner Step Outer Diameter: 29.9mm
Outer Diameter: 41.8mm
Thickness: 7mm
Thru Hole Diameter: 0.387" (9.8mm)
Inner hole sized to fit 1/2" threaded rod
Compatible BP0006, BP0007
Machined, red anodized aluminum
Sold individually (2 drifts required for some installations)