Interesting bike but we haven't been able to track down definitive information about it. I talked to the folks at Rocky Mountain and they are coming up with a Courier prototype bike that had some type of swinging pedal extensions. One of the previous owners also talked to the Rocky Mountain folks and they say it is a prototype trials bike. Either one would explain the 15.5" bottom bracket height. We added the pedals so there is no way to know if there were extensions on there at one time. One interesting feature is the modified front derailleur cage that has been lengthened to conform better to the 500 CX crank with 30/40/50 chain rings. The larger rings would tend to lean more towards the courier bike than trials?
Either way, it is a very nicely built frame but with moderate quality parts. Any other ideas?
Many more pictures and details @ MOMBAT: 1991 Rocky Mountain Weasel
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