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}Park Tool BX-2
Core Yes Color Stealth Size XS
front/rear front axle/spacing (mm) 20x110 Boost hole 32h color black weight 188g
End cap and axle conversion kits available to fit most standards
2025 Power Arc Expert Size:143MM }Park Tool BX-2The new Power Arc Expert expands on the success of our original Power saddle. It features the same channel and length as the original but with wings that arc down a little more for less hamstring thigh interferrence. If you're already a Power loyalist, this iteration features a curved Body Geometry shape that better contours to your body. What does this mean for your ride? It means that you'll feel as if you're in the saddle" and not on it. And
