Technical & Reference Section > Tech and Restoration

HELP! fork fitting question.

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Bettyswallocks:
I've got a pair of uk forks and mine dont have a crown race built in

Has the frame you're using got an external or internal headset?

The headtube on this frame is 4 and a half inches and the steerer tube on the forks is 6 and 3 quarter inches measured from bottom of headtube on the frame to the topcap, these are uk forks....



If the forks you've got are secondhand they might have had the steerer tube cut down

telelogic:
I have 2 sets of the lugged forks, and neither of them have had this problem!

The new (un-lugged) forks are brand new and haven't been cut down.

the bike has an internal headset.

I think my Funn stem might be unusually high?

some of the Uk forks have a built in race and some don't. I'm hoping mine have. there is a slight ramp at the bottom like I said.

Bettyswallocks:
That Profile stems an inch and a quarter thick where the steerer goes through

If you've got more than one pair of forks take another pair off a bike and have a comparison

pickle:
my UnKnown forks don't have a crown race built in either and went on fine, i had to use a few spacers as normal  :daumenhoch:

4mm though from the top of the stem is about right, you need a small gap so the top nut can clamp down onto to top of the stem  :daumenhoch:

telelogic:
Mine are just too bloody short  >:(

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