Might try posting them one at a time. I got the pictures to pull up by going direct to your hosing service. I would repost them here but they are 2 megs each so they will not fit on here.

Here are the direct links:

Original drum with

http://s21.postimg.org/sgh55j0li/drum.jpg

Magnum 500s inside view, notice the teeth from drums ribs

http://s12.postimg.org/mixf4b8gc/press.jpg

Current fitment

http://s21.postimg.org/5kijy1tc6/magnum.jpg

Wheels comparison

http://s11.postimg.org/alk7957j6/compare.jpg

Craig