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  1. Home » ‘How is this even physically possible?’ Avoid breaking cogs with proper installation » Technical FAQ: Installing Campagnolo cassettes

Technical FAQ: Installing Campagnolo cassettes

Like on the Xentis freehub body, the Campy cog will not slide onto the Bontrager freehub body in any position other than the correct one. The freehub is rotated forward 30 degrees forward relative to the narrow stepped tab (under the “16A” and “CAMPAGNOLO” stamps) from the correct position, but the freehub’s next rail counterclockwise from the stepped rail is too tall, wide, and squared-off for the low step on the cog to slide over. Photo: Lennard Zinn | VeloNews.com