Light weight/race battery

[calum001]

just found this on ebay so about the same as my pal can get them for

http://cgi.ebay.co.uk/ODYSSEY-PC680...mQQptZUK_Motorcycle_Parts?hash=item1e5a819b1e

theres a guy thats doing them for £80 delivered but only got 26 feedback so not exactly a power seller and the one above is the next cheapest