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I am "re-building" an old Colson Motobike. I found the bike without the badge, so I will never "know" what it was to begin with. I narrowed it down to a "Ranger" or a "Flyer" based on the frame/fork/wheels/seat that were on it. Incorrect crank, sprocket, rack, and possibly the stem. Most of the rest was there, including the Lobdel 26" balloon clincher wheelset.
Colson hourglass front hub and model D New Departure rear( no oiler). I am rebuilding these with correct DB spokes/nips. I "believe" it is Oct, 1933.....pete
Thanks for all the posts guys. I'm going to add these to the bikes/frames I have. I've decided to include '37 bikes as well in hopes that it helps us see a pattern in Colson serials. Keep them coming!
I took some actual frame measurements on my 26-er Colson moto-bike frame. Serial #3J6333 -possibly a oct/1933 frame.
The 28" wheel bikes share the same frame measurements but with 1/2" Longer chainstays, and 3/4" Longer fork measurement.
Thanks @Phattiremike for providing his 28-er measurements below...
Not that there is a large sample yet but from what I'm seeing '36 looks like they went to a different serial system. Looks like pre-'36 may have been a year month numbering system. Need about 25 more bikes and we could probably figure it out. V/r Shawn
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