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Focus drive mods
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11-07-2020, 10:29 AM
morls
(Stephen)
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Join Date: Sep 2009
Location: Melbourne
Posts: 696
Thanks Ken. I've got the following measurements from the focus cog:
diameter = 33.5mm
36 teeth
width of teeth (belt width) = 6mm
gap from centre of tooth to centre of adjacent tooth = 2.8mm (approx, as close as I can tell)
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