This all-round racing mast is designed for mid-weight sailors and can be matched with all Booms and Sprits. The MK3 mast is mainly suitable for Opti sailors from 35 to 45 kg.
The stiffest and most powerful Optimax spar, designed for experienced, heavier-weight sailors. The MK4 mast for the Optimist is primarily suited for sailors above 45 kg.
The most flexible sprit creates less distortion of the sail shape and provides an active tension change on the leech. For the more experienced sailor who can adjust their mainsheet tension constantly.
The MK3 Medium fits between the regular Mk3 and Mk3 Flex; it's 8% more flexible than the Mk3 mast and 8% stiffer than the Mk3 Flex mast. The Mk3 Medium mast is mainly suitable for sailors from 30 to 40 kg.
Features an oval and tapered inner diameter. Oval shape allows maximum fore/aft play with minimal side play. The tapered inner diameter allows the mast to be raked.
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