Base Extensions - Standard Diameter Euro Pin |
Standard Diameter Base Extensions (STD) are the proper choice for use with Standard Diameter Masts (SDM). EuroPin (EP) base extensions are compatible with EP bases. We sell base extensions from: Chinook, Streamlined, Bic, and Epic. The Base Extension is used to achieve proper tension and luff length of sails. It has a pulley system and cleat to downhaul and secure tension. They have a diameter of 1.85" (approx 48cm). STD base extensions come in 2 constructions: Aluminum or Carbon; are available in lengths: Fixed (no adjustment), Short (6cm), Medium (28cm) and Tall (48cm).
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