A customer had a machinist make this a few years ago. It is a 10 tooth ‘skiptooth’ cog to fit on more modern 3 spline coaster brake hubs. it is 1″ x 3/16″. New.
$30
10 tooth Inch Pitch cog for sale
A customer had a machinist make this a few years ago. It is a 10 tooth ‘skiptooth’ cog to fit on more modern 3 spline coaster brake hubs. it is 1″ x 3/16″. New.
$30
Via Bicycle 