Pro Vibe OS Carbon Stems

Vibe OS Carbon

Stems are one of those component items that should be strong, light, and failure-proof. In some circles, working with both carbon-fiber and aluminum at the same time is the key to the future, and many will tell you that the lightest, strongest, stiffest parts will have an aluminum skeleton and carbon wrap. This is the genius behind the PRO Vibe OS Carbon Road Stem.This stem is formed first from thin-walled 7050-T6 aluminum, then wrapped with uni-directional carbon fiber to seriously stiffen the structure. The carbon adds twist-resistance with almost no weight penalty. But it's more than just a boom tube with clamps on the ends. The stem itself has been engineered for greater stiffness. It isn't a round tube, but a triangle, with a thicker wall across the top of the triangle and then thinner walls on the V. It's also been redesigned with what PRO terms a Puzzle Clamp. So rather than using a traditional 4-bolt faceplate that could be prone to flexing, PRO's new design wraps up and over the top portion of the stem. The



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