KS Rage-i Dropper Seatpost – 30.9mm 150mm Black. Rage-i is dropper performance at a never-before-seen value. Being our KSs entry-priced offering Rage-i leaves nothing to compromise. Rage-i features a two-bolt micro adjust head stanchion tube that doubles as an open bath hydraulic cartridge body and an overall weight that gives competing droppers at three times the price something to worry about.

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