NCAA - DUAL CHAMPIONS!
Join Date: Mar 2000
Location: From Sarasota, FL sitting in front of a computer spewing random thoughts!
Bikes: Intense Uzzi SL, Masi Speciale, Trek 3700 Nashbar Single Speed, Old Cilo Road frame
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Is this on a full suspension bike?????
I had this happen to me as well. I finally tracked it down to the length of derailleur cable housing around the bottom of the bottom bracket. It was too short, thus, when the suspension cycled through it's movement, it would cause the derailleur cable to tighten and shift my rear derailleur.
If it's a hardtail, it could be a stiff link!
"Life is not a journey to the grave with the intention of arriving safely in a pretty and well preserved body, but rather to skid in broadside, thoroughly used up, totally worn out, and loudly proclaiming, "WOW, What a Ride!" - unknown
"Your Bike Sucks" - Sky Yaeger