From: www.redkiteprayer.com

In the late 1990s, Rolf Prima wheels were getting spec’d on a great many Trek road bikes, most of them, at least according to my memory. Their approach of pairing spokes at the rim, rather than alternating the drilling, made the wheels arguably the easiest low-spoke-count wheels to true, but it did come with one liability at the time. The rims cracked nearly as often as eggs.

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