VEX-WHEELKNOBBY VEX Robotics 5in. Knobby Wheel, 2-Pack <font color="red" size="2" face="Arial, Helvetica, sans-serif"><b>This product has been discontinued. Please see <a href="http://www.robotmarketplace.com/products/VEX-276-1498.html">this similar product</a> instead.</b><p></font><p><font color="00ff66" size="2" face="Arial, Helvetica, sans-serif">A set of two Knobby Wheels, as seen in the <a href="VEX-276-2151.html" target="_top">VEX Robotics Design Starter Kit</a>.<br> 5" knobby wheels. Compatible with all VEX Square Shafts 0.125" (3.2mm).</font></p>
I have bought 4 of these wheel. I think they are good quality, plastic seem to be robust but rubber (tires) is a little to hard... Axis holes are square so, I have drilled it (5 mm). All is ok, but you must use a drill press.
$10.99 
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