Originally Posted by bmorgan
Great thread:
So, in the following picture, the one on the left is the original Code3, and the one on the right is the newer aluminum Code3. Neither of which have the taper in the front.
mine is gen 1 identical to the left side. for future info the grooves were what caused the belt shredding in the beginning due to the sharp edges. once the pulley was worn a bit it no longer had any issues. over a yr on mine and performs flawlessly