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Old 09-21-14 | 12:04 AM
  #11  
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ThermionicScott
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Bikes: 1991 Bianchi Eros, 1964 Armstrong, 1988 Diamondback Ascent, 1988 Bianchi Premio, 1987 Bianchi Sport SX, 1980s Raleigh mixte (hers), All-City Space Horse (hers)

Originally Posted by bicyclridr4life
Are 22 tooth (or smaller) and 32 tooth rings available for Bio-Pace cranks on a mountain bike? I would like 22/32/38 crank rings. All I can find are 28/38/48 or 51/52. A 30 tooth middle ring from a road bike might be an option - if I can ever find one.

Why? You ask? My knees and hips are shot, thanks to a hereditary bone defect.
Because of their shape, I think the smallest 110 BCD ring in Biopace was a 36T, and 40T in 130 BCD. I don't think a 1x10 system would be a step in the right direction at all -- what freewheel/cassette are you using?
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