BrentP
Finally riding a big boys bike
Sounds like your bike was most likely either a Sears Spaceliner model #46921 or #46980. They were both fully chromed models with two-speed kickback Bendix hubs. The difference is the 46921 had a springer fork, while the 46980 lacked a springer fork and had trusses instead (like in the catalog picture above). You can see reference pictures of the main and sub-models HERE, to confirm if it's what you had.
One other point is that in 1964 your bike would not have been branded J.C. Higgins. Sears dropped that labeling after 1963, and from 1964 their bikes were simply branded "Sears". If you're certain yours was branded J.C. Higgins, then it would have been a pre-1964 bike and was most likely a Flightliner (the Spaceliner was introduced in 1964 during the timing of the brand name change).
One other point is that in 1964 your bike would not have been branded J.C. Higgins. Sears dropped that labeling after 1963, and from 1964 their bikes were simply branded "Sears". If you're certain yours was branded J.C. Higgins, then it would have been a pre-1964 bike and was most likely a Flightliner (the Spaceliner was introduced in 1964 during the timing of the brand name change).
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