Thanks to everyone for helping answer my question.
I can understand the confusion about not using the lugs to center the wheel. The Triumph TR7/8 hub is not designed to use the lug bolts for centering the wheel. The OEM steel wheels have untapered holes and the lug nuts just hold the wheel on...
I would like to custom machine 15x7 Kossei K-1 wheels for my '80 Triumph TR7/8. However, I cannot find reliable information on the required clearance between the hub and wheel center bore. The design is hubcentric on a 2.225" hub / 3.750" bolt circle, with ~500 lbs per wheel.
If the...
