Senior Member
Join Date: Sep 2011
Location: Baltimore MD
Posts: 3,332
Bikes: '72 Motobecane Grand Record, '72 Gitane tandem, '72 Raleigh Super Course, '73 Raleigh Gran Sport, '73 Colnago Super, '76 Fiorelli Coppi, '78 Raleigh SBDU Team Pro, '78 Trek 930, '81 Holdsworth Special 650B, '86 Masi GC, ’94 Bridgestone RB-T
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I have a similar Gipiemme triple, and the inner ring is something unique like 83 BCD. Boulder Bike had a few NOS rings, but otherwise your low gear choice of rings will be quite limited.
Gipiemme Special 170mm right hand NOS crankarm with 30 tooth inner chainring and hardware - NOS - no left arm spare 34 also!
-John
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Last edited by jeirvine; 05-29-20 at 09:15 AM.