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Old 07-03-2008, 10:29 AM   #104
Gnarly Adventurer
Joined: Feb 2008
Location: Socal=Mt. Laguna & Palomar Mtn.> Now in Idaho Yea!
Oddometer: 176
RPM vs Speed for 14,15,16 tooth front sprocket on XChallenge using stock rear tire (Metzler Enduro 3, 140/80x18). Please NOTE: I'm using a calibrated Vapor speedometer on my bike. The inaccurate stock speedo unit will not give you true rpm's unless you know how much error it has.

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