Thread: Derailler specs
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Old 08-06-17, 06:42 PM
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fuji86
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Bikes: 1986 Fuji Allegro 12 Spd; 2015 Bianchi Kuma 27.2 24 Spd; 1997 Fuji MX-200 21 Spd; 2010 Vilano SS/FG 46/16

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Vintage SunTour Groupset Information
Two versions of the aRX GT, a short cage 4300 & long cage 4500. There are documents for both that give more information from SunTour catalogs. I have the 4500, 1986 Fuji Allegro with a 14-30 Perfect 6 spd freewheel (14,16,19,22,26,30 body).

4300 maxes at a 26T cog/sprocket.
4500 maxes at a 30T cog/sprocket.

LOL, takes me back to the Jetsons ? Cogswell Coggs vs Spacely Sprockets.

SunTour aRX derailleur (4300)
SunTour aRX GT derailleur (4500)
Last edited by fuji86; 08-06-17 at 06:45 PM.
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