Hey if anybody is interested I found some body selling high voltage LED's. I am ordering some and will post the results when I get them.
http://www.made-in-china.com/showroom/yaogaoju/product-detailkqBEgVfOJnlJ/China-LED-Auto-GB-T10-WG-5050-5W-.html
http://www.made-in-china.com/showroom/yaogaoju/product-detailOoyEuBeThnlG/China-Car-Light-GB-1157-5050-18W-.html
They said they can do this one in a wedege as well and it is good to 60V
6 smd 3020 led 
Cycle Analyst the bike computer website also has LED arrays up to 100v.
http://ebikes.ca/lights/
Yes, I was looking at those. The ones I posted will fit in the stock bulb sockets, at least for the XB-502.