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Did some searches and came up with Nill (speedcell, lightweight battery)
Found this on the ducati superbikes forum as I was browsing tonight. Looks like a super easy and probably one of the most cost efficient ways to shed 7 pounds or so off your race bike, or street bike if you so choose.
http://www.motowheels.com/italian/myProducts.cfm?parentcategoryid=915%7CBatteries%20and%20Battery%20Accessori es&productID=6814&showDetail=1&categoryID=915|Batteries%20and%20Battery%20A ccessories&vendoridtodisplay=0&filterFor=&collection=
Can't get the link to work right but copy and past should work.
For $250 and a battery a quarter of the size, looks like a good investment.
Anyone have/used one currently or in the past?