I have a fairly large collection of sprockets dating from 2000 back to 1890's. I am hoping by posting the collection, it will help people find maker and date range of their bicycle. I also need help finding maker and date range of many of my sprockets. If you know information about any of these, please post or PM me and I will update the thread. I welcome Moderators to edit descriptions if necessary. If you have a sprocket that I do not have posted, please post a clear picture of just the sprocket (NOT the whole bike!) and whatever information you have on it.
Please keep this thread clean and on track.
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1.
Schwinn
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2.
Schwinn
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3.
Schwinn, from girls DX
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4. Unknown
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5.
Iver Johnson
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6.
Rollfast, as seen in an advertisement from the 1920's
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7.
Columbia
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Shelby
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9.
CWC-Cleveland Welding Company, This one is war time blackout, but most are chromed.
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10.
Roadmaster