If a crown race for a 1" threaded just drops onto the fork it's too large huh? Thought it was ISO standard but it appears the fork steerer base diameter is too small. every other part works as intended i.e. cups into frame etc. New headset or are there any tricks?
Measure everything. With a bit of luck, you've got a seat diameter of 26.5mm but have accidentally ended up with a JIS 27.0mm crown race. Depending on the headset, you may be able to get a 26.4mm crown race as a spare part.
If a crown race for a 1" threaded just drops onto the fork it's too large huh? Thought it was ISO standard but it appears the fork steerer base diameter is too small. every other part works as intended i.e. cups into frame etc. New headset or are there any tricks?