Originally Posted by
Kimmo
...Lasers and 1mm tolerance just seems like silly wank; no formula is going to reliably get you closer than almost there.
Eddy B set me up in 1978 at the OTC, no lasers, no magic. When I make make my final adjustments, I move the seat by 1-2mm increments. Overlaying the bikes in photoshop shows the bikes' seat/pedal position lines up spot-on. If you've never learned, you might just not know any better.