DM Unicycle Spares

I know that DM unicycles stopped manufacturing some years ago. My club has one of their bombproof DM five foot twin chain giraffes…

well…nearly bombproof! One of the cranks, which come welded to the lower sprocket has a stripped pedal thread.

Anyone know if there might be a source of spares, or are we going to have to cut the sprocket off the old assembly and re-weld it to a new crank?

Cheers

You might be able to get the thread heli-coiled or an insert fitted.