Originally Posted by
fodio
1) You cant use a fork with a tapered 1.5" to 1 1/8" steering tube as already mentioned, you need a fork with a straight 1 1/8" steering tube.
2) The fork you linked is for a 29" bike, you have a 26" bike so you'll need a fork for a 26" bike.
3) To keep the geometry the same you'll need a 100mm suspension corrected rigid fork.
Something like a Surly 1x1 100mm suspension corrected fork is what you need.
http://surlybikes.com/parts/forks