The Campagnolo Bullet Ultra uses an oversized hub and G3 spoke pattern to improve rigidity and improve power transfer by Paul Horta-Hopkins · 13/01/2016 The Campagnolo Bullet Ultra uses an oversized hub and G3 spoke pattern to improve rigidity and improve power transfer Share this:FacebookTwitterWhatsAppPinterestTumblrLinkedInPocketEmailRedditLike this:Like Loading...