The Piston Pipe Size:1.5" (1.9 OD) A ninja classic with a

A ninja classic with a twist

Smart design

2 Bar Collars

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Each skyhook mounts securely with two heavy-duty pipe clamps

The Piston Pipe Size:1.5" (1.9 OD) A ninja classic with aA Stage 4 Designs x Ben Skraly Collaboration First unveiled at WNL Regionals 2025 as part of the legendary Piston Lane, this dynamic obstacle is now available as a standalone, bar mounted challenge. Designed through a powerhouse collaboration between Stage 4 Designs and Ben Skraly, The Piston brings a whole new rhythm to your course. Choose between two distinct models, each engineered for a different swing pattern, and get ready to fine tune your