X-Fusion Manic Gravel Dropper Seatpost – 27.2mm 50mm Black. The X-Fusion Manic post uses internal cable routing and was designed around a low-profile seat cradle and seal collar to fit a broad range of frames. The mechanism is air sprung and hydraulically locked. The remote can be run on the left or right above or below the handlebar but is optimized as a left shifter replacement for 1x drivetrains.

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