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Canadian Daves JustKDX
XR 4 vs FRP .39's and spring questions in general
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[QUOTE="canyncarvr, post: 398600, member: 16552"] Dazza uses XR400 springs. Likes 'em quite a lot. The coldwound=hi fail, hotwound=won't isn't my idea. Got that from jeremy (mxtech). I HAVE had a failure (collapse) of a coldwound spring. Certainly it isn't true that ALL of them do that. Just a higher %. If YOUR springs fail, that's 100% failure rate for YOU. It's not the length of the spring of course that determines where the forks 'ride'. It's a combination of spring rate and preload. Use exaggeration to make the point. Take a five foot long spring that looks like something out of a ball point pen. You're going to be real low in the stroke with that spring! BTW...the reference to no preload. You don't want that. Also, don't mix up the preload spacer length with the preload. Don't know there's anything but clarity on that point..but, well..call it a hunch is why I brought it up. re: .40 rate for the XR springs. That didn't come from my own self neither. From a local tuner. I know .42s I had were AWFUL...and the XR springs are great. There's more to that than a .01 kg/mm rate diff I'm sure. That said...anything close to the right rate will be an improvement over the weenie stockers. [/QUOTE]
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Dirt Bike Discussions By Brand
Canadian Daves JustKDX
XR 4 vs FRP .39's and spring questions in general
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