Full set of sand tires for a XP900, I believe they will fit on a 800 as well.
STI alum rims
CST front smoothies 26x10x12, 1 tire has a plug
CST 9 paddles 26x12x12
475.00 OBO
The biggest thing is you have to use tape, you can add a hose clamp to also help you make a straight cut. You can use many different types of tools for the cut. A new hacksaw blade would even work. A cut off wheel on a grinder or possibly a Dremel.