i bought mine from
http://www.powersportsuperstore.com. it was the cheapest around. its great quality and has a great feel to it and it does have the tabs that hold the cush bearings in
![waytogo](http://ducatimonsterforum.org/Smileys/classic/waytogo.gif)
EDIT:
Just saw that Ca-Cycleworks has them (but they're backordered)
here is a pic where you can see the tabs:
![](http://www.ca-cycleworks.com/shop/catalog/ducati/img/jtcarrier_afamsprocket.jpg)