Old 01-17-06, 04:00 PM
  #3  
Az B
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Join Date: Sep 2005
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Bikes: Miyata 610, Vinco V, Rocky Mountain Element

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I would suggest not going that fast until you figure out why your bike is shaking.

There's basically two kinds of shaking, a weave and a wobble. A weave generally originates from the rear of the bike and makes it move down the road like a porpoise. Some common causes are rear wheel out of true, rear wheel drastically out of alignment, rear axle bent, and frame bent or out of alignment.

A wobble is more common and feels more like the handlebars are coming to life as they snap back and forth. This is very dangerous as it get worse and worse it can easily lead to a complete loss of control. Since it almost always happens at higher speeds, this means painful crashing and burning. A wobble is commonly caused by front wheel issues, (bearings, axle, true) frame issues, (severely bent or even broken frame) or steering head bearing issues. If the bike has been customized in the front end, the modifications may have caused unwanted changes in the bikes geometry.

Oh, and I think you're out of luck on the speedo.

Good luck.

Az
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