Gearing

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Duffy1964
Posts: 2904
Joined: Mon Jul 25, 2011 4:15 pm
Location: Orpington Kent

Gearing

Post by Duffy1964 »

Hi all, I’m running standard gearing 16 front 41 rear but want it to be a bit more lively as and more usable as top end without a fairing is not an issue.
I’m gonna run 15 front 41 rear so I don’t need to fad with chain links hopefully.

I know that if I do this my speedo will be reading incorrectly but don’t want to spend £85 on a new speedo healer.

So has anyone run this gearing and worked out what the speedo shows at 30,40,50 & 70 please
There is probably a calculator chart but can’t seem to find it.
Cheers Duffy.


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Duffy1964
Yellow 1997 Storm R.I.P. Orange 2000 Streetfighter (Rufus), Red & Silver 1968 Triumph Trophy 650, Blue 2003 Storm Project, Red 2007 Montesa Cota Trials 250 & 1959 BSA D7 175cc Bantam Trials Project
User avatar
Duffy1964
Posts: 2904
Joined: Mon Jul 25, 2011 4:15 pm
Location: Orpington Kent

Re: Gearing

Post by Duffy1964 »

I Think I have found the answers I was looking for, but this link may help others wanting to play.

https://www.blocklayer.com/rpm-gear-bikes.aspx

Duffy
Duffy1964
Yellow 1997 Storm R.I.P. Orange 2000 Streetfighter (Rufus), Red & Silver 1968 Triumph Trophy 650, Blue 2003 Storm Project, Red 2007 Montesa Cota Trials 250 & 1959 BSA D7 175cc Bantam Trials Project
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