No single source I know of as of today, but speaking of chainreaction, you may as well just get the whole pair of 8 sp Ultegra bar ends from them. I bet that pair price is about what you'd pay in the US for a single anyway even if they were for sale. If you really like them get more than one pair.
http://www.chainreactioncycles.com/us/en/shimano-ultegra-6480-8sp-bar-end-shifter-set/rp-prod13649 -- You received this message because you are subscribed to the Google Groups "RBW Owners Bunch" group. To unsubscribe from this group and stop receiving emails from it, send an email to rbw-owners-bunch+unsubscr...@googlegroups.com. To post to this group, send email to rbw-owners-bunch@googlegroups.com. Visit this group at https://groups.google.com/group/rbw-owners-bunch. For more options, visit https://groups.google.com/d/optout.