[Matt Reiland]

Last year we switched from Treads to Wheels and went with these from Dave's

http://www.davesmotors.com/store/product1050.html

Aluminum Hubs and they even have the aluminum #45 sprockets attached you couldn't get any easier, and if you saw the traction in low out of these things on our robot last year there was no question they are super grippy.

We also bought these for a smaller 6" wheel
http://www.davesmotors.com/store/product861.html

Check out these though if you want awesome wheels WITH the provision for a sprocket mount, it doesn't get any easier. Just add your own conveyor belting to the rim

http://www.davesmotors.com/store/product536.html


Here you go!
http://www.davesmotors.com/store/wheels.html