Interchangeability of 64 bcd 4 hole chainrings with electric scooter sprockets?

Discussion in 'Cycling Equipment' started by meb, Jan 29, 2005.

  1. meb

    meb New Member

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    I wanted a traveling mounted spare wheel/tire for my recumbent tadpole trike. I picked up an electric scooter rear that has a single speed freewheel with bolt on 4 hole sprocket and a drum brake (which is the same brake type I have on the rear) toward this goal. The sprocket teeth that came with it are too fine for bicycle chains. I'm measuring a 63 BCD 4 hole sprocket pattern which is close enough to the bicycle 64 BCD 4 hole pattern that I wonder if it is the same.

    Anyone know if 64 bcd 4 hole is a common electric scooter sprocket size (I don’t have any 64 bcd rings to check sizing)?

    Another alternative would be to drill some of my own 58 bcd rings, but if the match is already there I'd rather get a 64 bcd chainring. Alternatively, if not quite a match any thoughts on reaming out the holes to fit a 63 bcd carrier?
     
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