LZ’s Tech FAQ: Technical FAQ: Wheel flop and patching inner tubes – More on wheel flop Dear Lennard, Your wheel flop formula in the Dutch bikes answer is confusing: “The amount of wheel flop is equal to the sine of the head angle (in radians) multiplied by the cosine of the head angle and by the fork trail.” Why mention radians? Is fork trail the same as trail? Or did you mean fork rake? — Michael Dear Michael, I mentioned radians because of the way I use the formul… http://ow.ly/C8KY50igxFD