Because they are hand-made, I assume they take longer to build inventories. I've seen many people buying them, not just ballreviews people. So it's not surprising that stocks may be low for many of the balls.
I have no Legends pro shops nearby; so I have gotten mine from Buddies, Blockbuster, BowlingBallMall.com, and All-Star, as well as fbila35 (here) among others.
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"None are so blind as those who will not see."