"John T.Pergolizzi" wrote:
>
> Chuck Schmidt wrote:
>
> "Well there ya go Pergo... I was on my '55 Gillott track bike yesterday
> with a 24x9 inch pitch roller chain. Exact same thing as a block chain
> only different (yeah I know... only poseurs ride inch pitch roller
> chains).
>
> But John, riddle me this, how do you get your personal "magic" 17 tooth
> half inch pitch cog with a 9 tooth inch pitch cog??? <grin>"
>
> Caro amico,
>
> 25x9 is a 75; dang close to the 48x17 (76). But whats an inch
> between friends?
My personal fave (48x16) works out much better... 24x8. he, he!
Chuck Schmidt
South Pasadena, Southern California