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Old 05-17-20, 09:19 PM
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Jeff Wills
Insane Bicycle Mechanic
 
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Originally Posted by KC8QVO
A black pubic hair. Curly, round at the root.

Thanks for the adapter suggestion. I will look in to it.

When I found the threads were different I was prepping the bike for a ride with a friend. I didn't have anything to measure with, all I know is the pedals I was putting on are the same thread pitch and too big to screw in - not by much. Pedals were Shimano's. Same size as my regular bikes, not sure what size that is off the top of my head.

In fact... I think the pedal threads on my mountain bike (department store variety, 25+ years old) are the same threads as my regular bikes. It seems to me I had put different pedals on it at one point.
If it's that close I would suspect a boogered thread. Bicycle pedal threading is about as universal a standard as there is. If the cranks are aluminum: 9/16" x 20tpi. If the cranks are steel: 1/2" x 20tpi. It's been that way for about the last 35 years.
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