
|  Mini Bikes Series Classifications | 
| There are 4 series of  | 
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 The SERIES I is classified as a bolt together frame. This was done for easy and cheaper shipping. The first  John Steen Series I 
 
 
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 The SERIES II is classified as a welded together frame. This was done because the SERIES I was not strong enough and would bend and crack at the fork neck and at the top center bolting point of the frame. The seat mounts are welded on top frame rail. The SERIES II was also built under John Steen‘s owner ship of the company. Original designer of the  John Steen Series II
 
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| 1969 Tail 100  - Wider frame, lower seat mounts. 1969  1969  1969  1969  | 
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 The SERIES IV is classified as the “Suburban Gas of Pomona  Suburban Gas of Pomona’s Series IV
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 No other information at this time for any other STEEN’S  |