Originally Posted by
windhchaser
i have read that 700 c tires will fit it not sure if its true or not.right now i need the lever part that goes on a the disc brake caliper.i hope i dont have to buy a whole new caliper also the rear spocket some times wont engage the wheel
Yep, 29er wheels are based on the 700c (622 bead) standard. I use nice juicy 50mm slicks on my 29er-based bike for commuting, but you can go narrower.
I advise against going to Wal-Mart for parts. Stick with your LBS or online resources IMO.