Originally Posted by
giantcfr1
Just a sec...Is your bike a TREK 7000? If so, I googled the bike (I know nothing about Treks) and it appears to have a threaded head set. Your swap isn't that straight forward if your bike is the same. You may have to buy a fork extender. BBB and Profile makes them.
This dude has some pics of what I'm talking about. Scroll down and you'll see.
http://minkara.carview.co.jp/userid/.../blog/m201009/
The headset looks normal 1 1/8 to me on Sentinels bike but the older one's had threaded, I googled them myself.