$130 OBO shipped in the lower 48. I bought this ~2 years ago and waited for my original 2003 battery to croak (thank you Battery Tender). It finally did, and I picked up a Speedcell battery. Really no need to relocate for me with that tiny battery. Never installed, so absolutely perfect brand new condition. Thorten's stuff is truly artwork, so it's hard to admit to myself that I don't
need this. Includes the pieces for carrying the starter relay and option to carry the rectifier. See Thorsten's site for details:
http://www.honda-rc51.de/Parts_price_list.htm#CARBON%20Battery%20-(+Starter-Relais)%20Bracket
Pictures from Thorsten's site as well: