Copied the following text out of a PM I´d send a while ago where the same question was discussed;
The EU release also has something to do with the colors of the sleds as well as the correlation between the sleds and the Beasts. Purple was never released in Japan so like the EU Shields mentioned above that sled was only exclusive to the EU countries in which those shields were available. So in general you could say the 6 figures from the Japanese Shield Battler set either had a Grey or Red sled while for the EU ones there was more a mixture since all of the 3 Sled colors as well as the 12 shields were available. In general its believed to be as follows;
89-90-91-92 grey sleds
93-94-95-96 purple sleds
97-98-99-100 red sleds
But that´s mainly based upon the way these Shield Battlers were packed in France since they came in single packs so these included a figure, a gun, a shield and a sled. There´s no real guide for the real connections apart from what we know of the way they´re packed and there´s a big chance there was a much more random way of packaging than compared to what we belivieve/know so far because it wouldn´t be the first time. So due to the EU and JP division in sleds and shields this is not an easy to answer topic.
It´s been discussed a bit more out here on the board so if you use the search function within the Battle Beasts area you can find some more info about it but hope this already helps for now.
Enjoy the Beasts!
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