I'm always uneasy about frames that do not conform to the most widely accepted standards. Headsets gave me a headache to understand. Incompatible with Shimano sounds pretty risky.
__________________
coasting, few quotes are worthy of him, and of those, even fewer printable in a family forum......quote 3alarmer
No @coasting, you should stay 100% as you are right now, don't change a thing....quote Heathpack