A very stiff boom, twin pin extension locking system provides precise and easy adjustment. Tail piece which is marked in small increments. With 60cm of adjustment range, each size covers a very wide range of sail sizes. The front boom accommodates standard diameter or RDM mast without use of a shim. With its thin grip, the RRD has one of the narrower grip sizes available in the market. The 145-205 size is specifically a narrower wave bend best with wave sails 6.0m2 and smaller and not recommended for freeride sails.
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