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?
John T.Pergolizzi Brooklyn, New York I feel better now; I had my nap
P.S. I helped at the roller races Tues. night where the "roll out" rule is in effect. I haven't measured the "real" distance on those gears with my bike but I'm meaning to.
"John T.Pergolizzi" wrote:
>
> Yes, my 35 some odd miles yesterday on my 1960ish chrome
Cinelli
> track bike with a 24x9, (Ted, are you read'n?) makes me attest to the
> fact that it's STIFF!
> And certainly preferred for old track iron.
> When I started racing on the track in 1976, I had NO money and
> used used stuff across the board ( no pun intended), inch pitch was
the
> old stuff the other guys wanted to get rid of.
> Works good.
>
> John T.Pergolizzi
> Brooklyn, New York
>
> 165's
> The older I get, the faster I was.
.