Robert Cobcroft 2 October 2013 Bikes, Cycling History 1992 GT Zaskar 20" handmade in USA 6061 T6 Aluminium Robert Cobcroft 2 October 2013 Bikes, Cycling History A 1992 GT Zaskar 20" handmade in the USA from 6061 T6 Aluminium, still performing and ridden hard.