[Ari423]

Originally Posted by botster

What would be the advantages of Colsons over the Andymark performance wheels with the blue roughtop tread (http://www.andymark.com/product-p/am-3309.htm)?

Also if you want to slow down a COTS gearbox, you can use a 3.5" (or even 3") Colson COTS and you don't need as much reduction for a given speed. If we decide to go with a Vex 2-CIM Ball Shifter, we would leave out the 3rd stage and go with 3.5" Colsons and still get slow enough speeds.