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RADBMX.CO.UK  |  Technical & Reference Section  |  Tech and Restoration  |  OPC info please?....24tpi V 28tpi
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Author Topic: OPC info please?....24tpi V 28tpi  (Read 572 times)

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Offline Taipan

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OPC info please?....24tpi V 28tpi
« on: August 03, 2011, 06:55 PM »
Maybe a silly question but? ??? On a 28tpi OPC would a 24tpi B/B just slip over the two sides of threads on the OPC arms? like the B/B is to big for it?
your knowledge will be greatfully recieved :daumenhoch:

Offline pickle

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Re: OPC info please?....24tpi V 28tpi
« Reply #1 on: August 03, 2011, 07:03 PM »
No, I believe the numbers indicate the thread size rather than crank diameter.

Offline 58 delray

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Re: OPC info please?....24tpi V 28tpi
« Reply #2 on: August 03, 2011, 07:06 PM »
tpi means "threads per inch"  :daumenhoch:


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