Originally Posted by
Corcis
I have also heard that you can mount a 29" wheel/tire combo to the fork as long as you use disc brakes. I wouldn't doubt this, as there is a *ton* of clearance from the fork crown to the tire.
Surly bikes have absurd clearance. A friend of mine just stuffed 29x2.1 tires into his 1x1, which has less clearance than an instigator. The 69er setup would result in slower handling, could be good or bad. Also, you might run into a little toe overlap, depending how close your toes get now.