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Rocky Mountain (Robin) 1993   Back
Front: 42/32/22
Rear: 12-32
LowRatio: 0.69
HighRatio: 3.5
Range: 507%
LowInch: 18
HighInch: 91

This is my Rocky Mountain solid frame mountain bike which I use day to day for town trips. I replaced the original aluminum crankset with an inexpensive $50 Shimano steel crankset. The tires are 47mm Schwalbe Marathon Plus and measure very close to 26" diameter.