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REVIEW: Diamondback's First Superbike, the Serios AF

Diamondback's Serios line of triathlon/TT bikes was released at the 2014 IRONMAN World Championships in Kona, HI. The release was relatively quiet, and almost a year later, the triathlon world has remained largely uninterested. With such a deep history in the road-racing scene, Diamondback has the on-paper credentials to back up an endeavor into the tri scene, and its partnership with HED Cycling and engineer Kevin Quan (designer of the successful Cervelo P3) give this bike even more street cred. But how does Diamondback's superbike stack up? Why is it not more popular? ACTIVE got its hands on one--here's what we discovered.

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