Originally Posted by
onehundred80
I thought they made an aluminum version that had problems, grooves in it that ate belts and rivets that came loose.
the grooves just has sharp edges. as the pulley wore in it was no longer a problem. they did another model without grooves but mine had them and i never lost a belt to them. as for the rivets it was a wear item that affects almost every s/c pulley that has a magnetic backing that flexes the straps