Complex sentence: A small number of left-hand-drive Tens were exported and sold as Triumph TR-10--on these, the two-tone colour arrangement normally reserved for the Pennant was available (though this export model was not tailfinned).
Split into simpler sentences: A small number of left-hand-drive Tens were exported and sold as Triumph TR-10. On these, the two-tone colour arrangement normally reserved for the Pennant was available (though this export model was not tailfinned).