Quick technical question. If a stem seems a bit tight when fitting onto the steerer column how much pressure should (or is it wise) to use to push it on?
In actual fact, the bike in question is a bit weird; the headset is mounted upside down and it is the fork assembly that fits to the steerer column. So in actual fact it is the fork that I am having trouble fitting.
I think that with a bit of force it will go on, but I don't want to do any damage. The fork is aluminium.