Rockshox SID XX Solo Air 120mm 26” Fork. When you’re on the hunt for cross-country podiums, the SID is like a blowgun – ultra light, sleek and capable of delivering a deadly blow. SID’s carbon crown-steerer unit provides precision of direction while Rockshox Motion Control DNA damping system yields unparalleled plushness and control you’d only expect from a heavier fork. Its super light integrated design optimizes every fiber of carbon, every molten drop of magnesium and every hard-forged element of aluminium to help you win the battle against fatigue, and Rockshox competition. Happy hunting!.