Originally Posted by tony q
why do you have to use the TA05 pulleys, what's wrong w/ the original direct center pulley?
I just changed mine because I thought the white delrin pulleys looked cool.
Just kidding!
It's suppose to be more efficient drive train! Larger pulley and a notch off every other tooth on the pulley. I'm using the new pulleys! Someone said the original belts won't work on the new pulleys but mine seem fine!