Rob, one advantage to the <FONT COLOR="ff0000">I</FONT><FONT COLOR="000000">H</FONT> weight is that it can be mounted on the inside of the rim provided that your Cub has internal brakes. Note the left rear of Steve B's 100:
AFAIK, any wheel weight designed for a 12" rim should bolt right up.
AFAIK, any wheel weight designed for a 12" rim should bolt right up.