Is it possble to covert 26x4 to 3 onch tire and rim combo

[Marcela]

This is the other conversion from 26 x 4 to 26 x 2.6. Both bikes have same rims 1.25 inner width, the Warrior above has 2.4 tires, this Predator has 2.6 tires, think I like the 2.6 better, both Schwalbe pick-up. Improved handling, suspension seems to work better. The Predator has the dampened steering bearings, need to do something about that if I end up riding it more. The Warrior doesn't have these bearings and like the way it handles. Definitely worth the changes. Had to shorten the kick stand also.