Every so often, I read about a Brother looking to buy just the mounts. They don't come up very often. Here's your chance.
No affiliation, just letting you know...
http://cgi.ebay.com/ebaymotors/TRIUMPH- ... ht_500wt_0 (http://cgi.ebay.com/ebaymotors/TRIUMPH-TIGER_W0QQitemZ160301533959QQihZ006QQcategoryZ84146QQssPageNameZWDVWQQrdZ1QQcmdZViewItem#ht_500wt_0)