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Old 12-23-18, 11:50 AM
  #52  
JohnDThompson 
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Originally Posted by 1speed4me View Post
I can't mock it up. The BB is JIS, the Super Mighty cranks are ISO. If I tried to bolt it up it would ruin the crank
The taper is the same for both JIS and ISO (2), but the dimensions differ slightly such that the crank will mount on a different part of the tapered section. It won't ruin the crank unless it bottoms out on the taper or the axle extends past the crank:



If it lands in the middle, as above, then go ahead and check the chainline.
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