Tandem Cycling - Arai drum - what thread on the wheel?
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04-28-11, 11:51 AM
What is the thread size, pitch and direction on the hub for mounting an Arai drum brake?
I have an idea for something a little different to mount in the same location, and would like to know this information to be able to finish my design.
05-02-11, 02:20 PM
I don't know the specs, but I believe it's the same as freewheel threads, so you could look that up.
05-05-11, 10:00 AM
thank you !!!
I will double check using an old freewheel; probably won't be till June due to business trips.
05-09-11, 05:14 PM
confirmed; it is 1.375 inches by 24 threads per inch.
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