Quote:
Originally Posted by BigBaddad
The Height of the profile i.e. in this case 60 is the % of the width. So 60% of 170mm is bigger than 60% of 160.
Fitting 170 tyre in place of a 160 would raise the height further as it is being pinched more.
In theory raising the rear of your bike can make it turn in quicker, but fitting a bigger would add more unsprung weight and increase the rotating mass (which is far greater than static mass), slowing turn in, will also need more energy the brake and accelerate.
In reality, you may not notice any difference. The sv runs well on a 160 so I wouldn't bother. As for your insurance, speak to them and at the least tell them about all the mods on your bike and make sure they put it on your policy schedule.
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got most of that. extra mass increases gyroscopic force therefore the tyre will want to keep itself upright, so when turning, mass is forcing itself against the turn making steering slower. this can be counter acted on by decreasing angle of steering slightly, ie raising forks. its the pinching bit i dont get as both tyres have a recommended rim size of 4.5 inches.