This "MAGTAN" is a product of "BITO R&D" leading Jo Bito.
It is the highest quality which MotoGP accepts, and this wheel has high popularity of the vintage motorcycle owner.
And the supply is stable too, and is reliable.
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Japanese News Site
http://mytown.asahi.com/hyogo/news.php?k_id=29000200808200002
BITO R&D
http://www.jb-power.co.jp/
MAGTAN of the new article is better than a used Campagnolo.