"Norcal" style...forerunner of the Digger
The wheel halves bolt together, vs. being riveted. It's an automotive 15 x 3 Cragar Quick Trick wheel - same ones as Gary Hetrick and Dick Allen used. If I remember the article right on that bike, the wheel was actually set up by Kosman for it. The bike was from Oregon.One question pertinent to the thread: what's the back wheel on the bike below? Automotive Weld/Centerline/similar, or an actual motorcycle wheel?-Bill