gonna try this mesage again the links didn't work last time
We actually looked at those and our considering getting them. This is what we currently have.

This is our drive system with shocks...we still need a dynamic tensioner so currently we are just trying to get it working with the shocks locked and static.

This is the tread but we will be putting something over the lexan pieces so they grip the ground better.

This is a close up of the sprocket. If you look to the right of the sprocket you can see where we cut off the teeth so we could rivet the lexan pieces to the chain.