Top Definition
The name given to the condition when you cannot remember what the sprocket do-hickey is on a 10-speed bike that changes the gears.
I had three days of derailer syndrome until I went to the bike shop and asked the guys what the heck that thing was called that changed the gears on a 10-speed.
by TheRocketRod January 04, 2006
6 Words related to Derailer Syndrome

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