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Iver Johnson Motorbike Serial Numbers Identification

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1928 Catalog

These photos are from my 1928 Iver catalog. Your bike looks like the 87M. This bike normally came with Vitalic Cord 1 1/2". Optional tires were Vitalic Cord 1 3/8" or 1 5/8". Fisk Non-skid or US (Indianapolis) Chain Tread, double clincher tires 1 3/8, 1 1/2 or 1 5/8" tires. It looks like you have the clincher rims. I think that modern 700c clincher tires will fit. Your saddle looks like the saddle that came on the these bikes which is a Persons #2 padded saddle.
28_iver_5-1.jpg

28_iver_7-1.jpg

28_iver_23-1.jpg
 
Chris,
Very helpful catalog. So this may be a 1920's bike?
I thought that the 700c rim was larger diameter than the 28" antique rim?
So I can use an Amsterdam Electra?
 
These photos are from my 1928 Iver catalog. Your bike looks like the 87M. This bike normally came with Vitalic Cord 1 1/2". Optional tires were Vitalic Cord 1 3/8" or 1 5/8". Fisk Non-skid or US (Indianapolis) Chain Tread, double clincher tires 1 3/8, 1 1/2 or 1 5/8" tires. It looks like you have the clincher rims. I think that modern 700c clincher tires will fit. Your saddle looks like the saddle that came on the these bikes which is a Persons #2 padded saddle.
28_iver_5-1.jpg

28_iver_7-1.jpg

28_iver_23-1.jpg

Hey Chris,
I did more scraping on the upper section of the seat tube. Eureka!!
I found the serial numbers. Serial #537827
The bottom bracket may have been a police serial number.
Just have to figure out the year, now.
 
One of the tire recommendations here is to use Electra Amsterdams.
Would these really fit the clincher rims on this bicycle ?
What is the date on this bicycle ?
 
From the serial # data that is available, I think your bike was made in 31 or 32. Most any fat 700c tire should fit. I would try to get these Continental tires

http://www.conti-online.com/generat...emes/city/Balloon/RetroRide/Retroride_en.html

I have always like contis, they make good quality tires. I do not know who makes the Amsterdam tires, maybe Cheng Shin.

I would like to see your rims to tell you for sure, maybe you can bring them to the swap on Sunday. If they do fit, I would want to make sure that the rust on the rims is nut too bad. A inflated clincher tire will put a lot of force on the sides of the rim.
 
I do not know who makes the Amsterdam tires, maybe Cheng Shin.

Cheng Shen for Electra makes the Amsterdams. These are great options for pre-1933 due to the lack of highlighted writing on the sidewalls. Both the Continentals and Schwalbe Delta Cruisers which are another great option have writing on the sidewalls. I love the Electra Amsterdams and also have Schwalbe Delta Cruisers which the ride is phenomenal.
 
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