If you have to cut and are left with 1/2 the stem up the steerer tube, get a metal bar slightly smaller than the dia. of the steerer tube, stick it up between the forks and hit it hard with a lump hammer, believe me, it won't resist, keep the drift so your mates can use it.
If you have to cut and are left with 1/2 the stem up the steerer tube, get a metal bar slightly smaller than the dia. of the steerer tube, stick it up between the forks and hit it hard with a lump hammer, believe me, it won't resist, keep the drift so your mates can use it.