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Dirt Bike Mods & Maintenance
Contractive Suspension
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[QUOTE="MACE, post: 24815, member: 16716"] Jer, I sent copies of the article. It might be interesting to do a patent search on this one. In the rear, the execution of the FMF version was either very clever over-complex. I can't quite decide which. They used a hydraulic "buffer" which had an extending piston which pushed on the linkage to hold the rear down to about race sag height. The "buffer" was controlled by what appears to be a remote preload adjustment device off a road racer. In front it looks like they have on each leg a hydraulic "buffer" up near the clamps which is attached to the axle clamp by a tension cable. It seems that when the front travels past the "contractive" point that the cables just have to buckle out of the way as I see no way to take up the nine inches or so of travel. This seems kind of flaky. I guess I keep thinking that this could all be done very simply by using overgrown "topout" springs internal to fork and shock. This seems like a great way to lower suspensions without giving up the good qualities of long travel. In fact, I wonder if much of the improvement claimed is of the same nature as Rich's endorsements of lowered suspensions. [/QUOTE]
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MX, SX & Off-Road Discussions
Dirt Bike Mods & Maintenance
Contractive Suspension
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