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Click links below to view the Schwinn bikes in our collection:

1948  Admiral Klunker
1966 Schwinn Klunker
1968 Schwinn Bomber/Klunker
1970's ATB based on Schwinn Excelsior
1979 Spitfire 5
1980 Klunker
1980 Schwinn King Sting
1982 Schwinn King Sting modified
1982  Sidewinder
1985 Cimarron
1986 Cimarron
1988 Project KOM 10
1992 Paramount S.A.S.S. Buell
1997 Project Underground

 

Schwinn first introduced the balloon tire (2.125" wide) to the US market in 1933 and most of the early converted mountain bikes were based on the pre-war Excelsior-type frames.  The first hand built bikes used the geometry from the early Schwinns as well.  Despite all this "history", Schwinn did not pick up on the mountain bike trend and many feel it was a major contributing factor to their bankruptcy.  If you check out the specification sheets below you will notice that the early Schwinn bikes were Varsity type "gas-pipe" frames with limited gearing, one-piece cranks, super high-rise handlebars and caliper brakes.  These were not specs that would excite a mountain biker and made the bikes best suited to town or beach riding.  Starting with 1985 I am just listing from the Sierra model and up.
 
1980

The 1980 offerings consisted of a 5 speed cruiser style bike:
Schwinn  Schwinn
1981

In 1981, the King Sting was added which was more of a 5 speed BMX cruiser than true mountain bike.  The 5 speed Cruiser continues:
Schwinn  Schwinn  Schwinn  Schwinn  Schwinn  Schwinn  Schwinn

1982

For 1982, the King Sting is available in a 10 speed model but there is still no true mountain bike available from Schwinn.  The Sidewinder 5 and 10 models are added as a lower priced alternative to the King Sting.  The 5 speed Cruiser soldiers on:
Schwinn  Schwinn  Schwinn  Schwinn
Schwinn  Schwinn  Schwinn  Schwinn


1984

1984 catalog:

Schwinn  Schwinn  Schwinn  Schwinn

June 1984 Sierra ad:
Schwinn

1985

1985 Schwinn mountain bike catalog:
Schwinn  Schwinn  Schwinn  Schwinn Schwinn  Schwinn  Schwinn  Schwinn Schwinn  Schwinn


Bike reviews from the June 1985 Mountain Biking for the Adventure magazine including the Schwinn Cimarron:
Schwinn   Schwinn   Schwinn


1988

June 1988 Cimarron ad:
  Schwinn

1990 

1990 Schwinn mountain bike catalog:
Schwinn  Schwinn  Schwinn  Schwinn Schwinn  Schwinn  Schwinn  Schwinn Schwinn  Schwinn  Schwinn  Schwinn Schwinn  Schwinn  Schwinn  Schwinn Schwinn


1992 

1992 Schwinn Paramount catalog:
Schwinn  Schwinn  Schwinn
Schwinn  Schwinn  Schwinn



1998  

Click the picture below for a 4 page PDF file describing the 1998 Schwinn Project Underground bike:


Some of the scans above were copied from Tom Findley's web site.
 

 

 

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