Originally Posted by timcupery
One possible worry: lots of kid's bikes have very thin dropouts, which will require you to get a very carefully-measured axle length. If the Q/R axle sticks too far beyond the outer edge of the
dropout, you won't be able to shut the quick-release skewer.
To add to that worry, most kids' bikes also flex the frame and fork when you tighten the axle nuts. So you need to measure when the wheels are in place. If you measure the frame and fork w/out wheels, you're going to be quite a bit off.