PROTOTYPE 1989 SCHWINN FLATLAND PRO FRAME


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Clark58mx

Finally riding a big boys bike
Oct 30, 2016
370
778
25
Brookfield, United States
#1
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Picked this up at a local bike show. The owner says it's a prototype/preproduction 1989 Schwinn flatland pro frame. I did a comparison myself and confirmed it had many differences from a production frame. This frame has no holes in the rear brake mount. The rear dropouts have a notches on top and they are smaller. The rear coaster brake mount is spot welded on. The serial number starts with GP. This is a NOS frame. The dropouts have no markings from a wheel. Here's some photos.
 

partsguy

I'm the Wiz, and nobody beats me!
Aug 13, 2008
10,247
3,777
The Land of Oz
#2
I'm skeptical of any claims of a prototype on anything unless there is research and documentation to back it up. You have a nice a find. I would just get this checked out by multiple Schwinn and BMX experts and historians and have any confirmations that is a prototype done in handwriting and signed.
 

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