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Old 24-01-05, 03:31 PM   #1
lynw
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Default Tyres and Tyre Pressures.... sooo many questions...

Ok... I know how important it is to keep these correct.

But as a general query, does the tyre pressure go down quicker if you use the bike a lot or if its left standing?

secondly, why put on a bigger tyre to the wheel? is it just aesthetics? I know it affects handling but for the better or worse?

thirdly, say a bike has a bigger tyre on it (eg rear cbr6 FL should be 130-80-17, my tyres a 150-80-17) what should I do about the pressures?

I dont know what it should be but Im assuming a standard 33/36 pressure split front/rear. If Ive got an oversize tyre, should I put slightly more air in to accomodate the size? I found a 36psi at the rear was the reason for the wierd handling... putting 38 in has stopped it...

Also, measurements - get the 130-80-17 is 130 width of tyre and 17 is the diameter of the tyre. But whats the 80? Ive been told is a percentage which relates to the height but what is it exactly?
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