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Old 09-30-12, 03:45 PM
  #5  
jimc101
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Originally Posted by DannoXYZ
Yes, but the semi-integrated headset will limit your headset replacement options.
Why would the OP need to replace the headset? if just changing the fork, only the crown race needs to be swapped between forks.

Originally Posted by DannoXYZ
As long as you get a replacement fork with the same brake-caliper mounts, it will work. There are some common disc-brake mounting standards: two flavours of IS and post-mount (along with a smattering of other not-so-common mounts). Check out this site: Shimano Framebuilder Info to see what exact type you have. And get a replacement fork with that same disc-brake mounting method.
For brakes, the bike the OP has has only been in productions for 2 model years (2012 & 2013) so will not have any obsolete brake mounts. All modern discs are Post Mount, and have adaptors for IS. IS as a dedicated mount (i.e. the brake will only for this has been obsolete for several years now).

Originally Posted by DannoXYZ
Not really, I've done it on the side of the trail with tools you can carry in your pocket. Check out this Park Tool - threadless headset service guide. Make sure you lay out the parts removed in a specific order so you can get it all back together in the correct sequence. Good luck!
For fitting a fork, the biggest issues are swapping the crown race correctly and installing the Star Fangled Nut correctly, if the OP doesn't have the tools / experience, these are probably better left to a bike shop, and if the OP buys a fork from one, could get these fitted / the steerer cut to size when purchasing.

As Bianchgirll, would be looking at getting the fork checked by a Trek dealer initially; before spending any money on it, as if the fork is defective, it should be a warranty issue.
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