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42 teeth sprocket

Posted: Sun May 04, 2014 10:14 pm
by Mouser
Hi,

Anyone tried a 42 teeth sprocket on the Kr1-S yet?

Where can I get a 42 teeth sprocket for the KR1-S? Really didn't find any on the whole web..

Thanks
Mouser

Re: 42 teeth sprocket

Posted: Sun May 04, 2014 10:19 pm
by headcoats

Re: 42 teeth sprocket

Posted: Mon May 05, 2014 6:44 am
by JanBros
thinck I've got 39 to 45 sprockets. bought twice parts from ex-racers :D

Re: 42 teeth sprocket

Posted: Mon May 05, 2014 7:04 am
by Luders
I can have a look see what I have left

Re: 42 teeth sprocket

Posted: Mon May 05, 2014 11:47 am
by Mouser
headcoats wrote:http://www.bandcexpress.co.uk/shop/tran ... ockets.htm

These will make it for you :wink:
:cry: No 42teeth sprocket, only 41...

Re: 42 teeth sprocket

Posted: Mon May 05, 2014 1:06 pm
by dirk
Hi Mouser, Hi there

http://www.intobikes.co.uk/products/001 ... 250C3-1992

but why do you need 42?

regards
Dirk

Re: 42 teeth sprocket

Posted: Fri May 09, 2014 10:03 pm
by Mouser
Hi Dirk!

Many thanks for the link dude :)!

Searched about 3-4 h on the net yet, found at least 15 sites but non with 42 teeht :)
Why 42? Wanted to give it a try :)..

Do you think it's to much ?

cheers
Mouser

Re: 42 teeth sprocket

Posted: Sat May 10, 2014 12:04 am
by KR-1R
its easier to alter the front up or down
equivalent to +- 3 on the back
to see if its the result youre after


http://www.jtsprockets.com/catalogue/model/5230

you should NOT run a 14/42 combination due to uneven wear and cyclic issues
evenly divisible means the same tooth will see the same chain links every revolution
if you have ever ridden beside someone with a poorly maintained chain at speed youll understand the problem