Re: [St] More on Sprocket set up

[John Ulizzi <jaulizzi@xxxxxxxxxxxxx>]

--- Neil Lindsey <Neil.Lindsey@xxxxxxx> wrote:

> like I said in an earlier post John, the concept is
> right, but your
> explanation is incorrect
> 
> if a 43 rear/18 front combination gives a ratio of
> 43/18=2.39, the question
> is how many teeth on the rear sprocket would be
> required to achieve the SAME
> ratio with the original, 19-tooth front sprocket
> 
> the answer is  x/19=43/18, where x=(19)(43/18)=45.39
> 
> the point here is that the ORIGINAL sprocket ratio
> (assumed to be 43/19)
> does not enter into the calculation at all
> 
> ----- Original Message -----
> From: "John Ulizzi" <jaulizzi@xxxxxxxxxxxxx>
> To: <ST@xxxxxxxxxxxxxx>
> Sent: Friday, May 09, 2008 12:33 PM
> Subject: Re: [St] More on Sprocket set up
> 
> 
> > Stock gearing is 19/43 ( in some cases 18/43). The
> > ratios are:
> >
> > 43/19 = 2.26
> > 43/18 = 2.38
> >
> > Going down one tooth on the front is equal to
> going up
> > 2 1/3 teeth on the back. Of course with chain
> links,
> > your options are whole numbers...
> >
> > John
> >
> >
> > --- JES_VFR <jes_vfr@xxxxxxxxxxx> wrote:
> >
> >> At 08:32 AM 5/9/2008, you wrote:
> >>
> >> >One tooth on the front is equal to two teeth on
> the
> >> rear.
> >> >
> >> >Brett.
> >>
> >> actually its more like three teeth.
> >>
> >>
> >>
> >> JohnS
> >> A Dragon Ascending
> >> "Forging my body in the Fires of my Will"
> >>
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