Bicycle Mechanics - wobbly front tire
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08-09-06, 02:50 PM
what are the possible causes of a wobbly front tire when decending a hill at over 40 mph? Occassionally my bike will do this and scare me to death. Spokes seem tight and front tire is securely fastened.
08-09-06, 03:31 PM
Either your wheel is out of true (in which case it would be noticeably wobbly at any speed) or...
You've had a run-in with "shimmy", and dang is it scary :) Here's Sheldon Brown's explanation, with a link to a longer article on it: http://sheldonbrown.com/gloss_sa-o.html#shimmy
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