Originally Posted by
The Golden Boy
Ahhh- good catch- it's 57 metric teeth.
Double it and add 30.....
Actually, to simplify on Steve's math, it's basically a skip-tooth chainring, so 57 teeth spaced at 1 inch would, in our 1/2-inch-chain world, equate to 114 teeth.
(I'm guessing the RAGBRAI photo was taken when the now-C&V van was "modern"?)