"ChiCyCo" brand tires had absolutely no connection to a 1933 Schwinn or model B10E or "Cadillac" badging. "ChiCyCo" tires were simply a proprietary brand of wholesale-distributor, Chicago Cycle Supply Company (thus the acronym). These tires could have ended up on just about anything since they were not a factory install– they were a W-D install. And one could simply buy them "over-the-counter" as well.
Any dealer serviced by W-D Chicago Cycle Supply Company (and there were hundreds of them) could order and sell these tires to anyone who walked in the door. No connection with Schwinn or Cadillac branded bicycles at all.
As for the zig-zag tread tire shown here... this tread was normally on postwar Sears Allstate tires... for many, many years... 1940s through the 1960s.
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