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Old 12-12-07, 04:01 PM   #1
johnprolly
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Inch Pitch Cogs on Modern Hubs?

Hey guys, I've searched and asked around and cannot find an answer to this question. I've got a nice 1950's Path Racer that I'd like to keep all original for special events and for the "purists" out there. The wheels are airlites to old tubie rims 36h front, 36h rear [not the more common 40h rear of the time].

Ideally, for all practical reasons, I'd like to run some low-flange phils to a set of clinchers but I'd like to keep the Chater-lea inch pitch crankset on the bike. I plan on riding this bike a fair amount and would like a solid, modern day wheel set up. Is it possible to thread a Campagnolo inch pitch cog to a modern day Phil Wood?

The period correct wheels are too pretty to be destroyed by a pothole!

Thanks in advanced!

_j
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Old 12-12-07, 04:09 PM   #2
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I would imagine so. Why not just thread it on by hand (with lots of grease) to test the fit? If there's a lot of resistance, stop.
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Old 12-12-07, 04:12 PM   #3
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You could also find a set of old Airlite or Brampton hubs on eBay and lace 'em to a vintage clincher like a Weinmann Concave. Not totally period, but it shouldn't look too out of place.
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Old 12-12-07, 04:28 PM   #4
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Thanks!
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Old 12-13-07, 03:19 PM   #5
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same threading..

they are thick tho.., phil's lockring may not work

inch pitch chain was usually 3/16"
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Old 12-13-07, 03:22 PM   #6
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If it's an Italian cog, whatever you do don't try to put an English cog on afterward. The threads have slightly different profiles, and while they will thread on with a fair bit more resistance than normal, going back and forth between cogs of different threads will destroy the hub.
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