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...caster is "how far" the tire patch contacts the road AHEAD/BEHIND the projected pivot/axle.
...if the contact point is right under the pivot or behind it, you end up with the "grocery-cart" vibrations.
...if the contact point is too far forward, the tire edges will be scrubbed with every light turn, which definitely will kill FE (and the tires!).
Last edited by gone-ot; 11-09-2009 at 10:55 PM..
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