QUOTE(erskine @ Nov 18 2009, 12:25 PM)

i have one bad ball joint and i guess you have to replace the whole a arm. what should i do replace the one or get a new set of a arms
You can buy a new ball joint for aftermarket a-arms. If you decide to get a new set of a-arms we have several brands on sale on our website.
TRX450R Standard Travel and Long Travel A-arms