Dan We don't use noh Steenkin multipliers. Oops, I live in Colorado. Oh yeah, use whatever you want the guy to plug in. Seriously, the number for going from wheel to crank is 20% for drivetrain loss. Most guys post ATW numbers. Factored for a variety of dreams ;-) Hap, wit dakine Colorado numbahs not from Evahboost, Maguire