Designed for heavier, more experienced Optimist sailors (45+ kg), the MK4 Spar Set combines maximum stiffness and performance. Built from superior Lanurep spacecraft alloy and finished with a top-grade dark grey hard anodizing, it includes the ultra-stiff MK4 mast, 45 mm boom, and the allround 27 mm MK3 sprit. Supplied with a complete rigging pack for racing readiness straight out of the box.
Included in the set:
- MK4 Mast (SL9OX25AB4)
- MK4 45 mm Boom (SL9OX35M4)
- MK3 27 mm Sprit (SL9OX45M3)
- Rigging Pack (SL9OX25)
Rigging Pack (SL9OX25) including:
- Harken ball bearing hook-in block
- Windesign 25 mm low friction ring
- Windesign Wind Indicator PRO
- Deck collar with mast sleeve
- Nylon sprit adjuster handle
- Nylon top pins (x2)
- Dyneema primary halyard line
- Technora/Dyneema secondary halyard line
- Tack lines (x5 – 2.2 mm)
- Double lacing lines (x12 – 1.2 mm)
