Originally Posted by
SquidPuppet
Either would be fine IMO for that bike. Measure the inside diameter of the head tube (FRAME) and make sure the head set cups are the matching size.
Wrote this, in order to get (all?) the existing standard sizes and types in one place, with explanations of what to measure and how (in the linked posts):
03) Bicycle headset bearings standards - SHIS - Bike Gremlin - Bicycles