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    1993 Retrotec

One of about 50 of the Retrotec "Human Powered Dirt Craft" bikes.  Similar construction can be found in bikes from Trimble and Grove but this one differs in the use of braided cables to replace the seat and chain stays which allows the rear forks to flex.  The lower cables use skateboard bushings to give a little extra flex.  They could be changed out to change the ride characteristics of the bike.  Other than giving a little more comfortable ride, the flexible rear end allowed the tire to "stand up" straighter when cornering and allowed more of the tire to contact the ground resulting in better traction.  The picture on the far right is what the bike looked like when we got it.

   Click on thumbnails below for larger images:        

Retrotec   Retrotec   Retrotec Retrotec   Retrotec   Retrotec
 
Frame Steel
Fork Steel
Rear Shock NA
Rims Specialized GXL21
Hubs Suntour XC Pro
Spokes DT Stainless Steel
Tires Tioga Wonder Dawg
Pedals None
Crank Cook Bros Racing
Chain Suntour
Rear Cogs Suntour 7 speed
Bottom Bracket Suntour
Front Derailleur Suntour X-1
Rear Derailleur Suntour XC Pro
Shifters Suntour XC Pro
Handlebars Tange Prestige Cr-Mo Double Butted
Stem Offroad Flex stem
Headset Suntour XC Pro
Brake set Dia Compe 986
Brake levers Ritchey Logic
Saddle Ritchey Vector Plus
Seat Post Alloy
Colors Yellow
Size 17"
Serial #   None Found

 

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"I’ve seen mountain bike rides transform people – not just their bodies but their way of thinking. Their spirit." Charlie Cunningham