489 w/power-loc ?

Bee-u-tiful. Light, simple and effective.
I think so. Most everybody I've shown it to almost curls up on the floor crying "You caint drive those on the street!" I've had more than one I've had spools in over the years and I never had an issue. The main reason I did it here was cost. 65 bucks for a full spool was a slam dunk. With custom 31 spline axles, it'll never break.