Martin Coopland wrote:
I have a limited number of these sprockets for sale if any one needs spares. These are 12 splined ones for use with some of the unusual Hubs. 17s & 18s. $20 each including post.
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Neat! I didn't know that any were to be found.
Sooo, years ago I tried fitting a "modern" 3-spline driver on my ASC, found that it interchanged, and now use Highly Unoriginal and Improper common-garden-dragon variety S/A 3-spline cogs.
your mileage may vary (and I find that I now use a 19 tooth at my advanced age with the hilliness we have here).
harvey sachs
mcLean va