>
> How many miles do you have on the 13T cog do you estimate Peter? My
> experience was that the hard anodized aluminum cogs wore fairly quickly.
> Are you using the Sedisport bushless chain?
>
> Chuck Schmidt
> South Pasadena, CA
Good question... maybe 500 miles on the 13t cog on my '75 Pro. So is the Sedisport bushless chain the best for these?? I seem to recall some of these alloy freewheels came with steel 13t cogs since those got the most wear.
Peter Kohler Washington DC USA
>
> .