on eBay until 2/1/05
Carbon X extensions (older style):
http://cgi.ebay.com/ws/eBayISAPI.dll?ViewItem&item=7130900899
Profile UPS shifters — older twist-grip style:
http://cgi.ebay.com/ws/eBayISAPI.dll?ViewItem&rd=1&item=7130896111&ssPageName=STRK:MESE:IT
.