You need the stock rubber spacer (without steel sleeve) to keep the bearing from walking off.
some people cut spacers out of pvc pipe to locate aftermarket shocks ends from walking as well.
2013 Ducati Hypermotard SP, 2011 Husaberg FE570S, 2011 BMW S1000RR, 2010 BMW F800GS
2007 Husqvarna TE610 , 2003 KTM 525 MXC
Indy Unlimited screwed with this post 10-20-2013 at 06:08 PM