Chinook AluminumMedium Extension US Cup Windsurfing Extension hydrofoil Dual D-Ring Attachments: Two stainless

Dual D-Ring Attachments: Two stainless D-Rings for multiple leash attachment options

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durable frame

5MM] Foam padding

regardless if they're all the same size or you pair it with a larger center fin or larger side bites - you can't go wrong with a three fin set up

Chinook AluminumMedium Extension US Cup Windsurfing Extension hydrofoil Dual D-Ring Attachments: Two stainlessThe Chinook Sailing Aluminum US Cup SDM Medium 28cm Extension uses our new Six Pin collar for easy and solid adjustment. The anodized logo index markings are one of the many unique and innovative features that make these the most popular extensions on the market. Comes standard with the proven US Power Haul pulley and cleat system and 2 cm adjustment increments. Adds maximum of 28cm to mast length Standard Diameter US Basecup Large brass pulleys for