No sweat. You can usually google to find out the stack height of your headset and stem. Your steerer will need to be marginally shorter than that of your stem/spacer stack in order for the top cap bolt to be able to compress the headset when screwed into the star fangled nut. Tester is the oracle with regard to this sort of stuff; a learned man who shares his knowledge for free and who tends not to ridicule the inexperienced.
No sweat. You can usually google to find out the stack height of your headset and stem. Your steerer will need to be marginally shorter than that of your stem/spacer stack in order for the top cap bolt to be able to compress the headset when screwed into the star fangled nut. Tester is the oracle with regard to this sort of stuff; a learned man who shares his knowledge for free and who tends not to ridicule the inexperienced.