The most powerfull and stiffest racing sprit, especially designed for the heavier weight sailor. The MK4 29 mm sprit for the Optimist is suitable for sailors from 45 kg.
- Superior Lanurep spacecraft alloy
- Anodized to a dark grey colour
- Grey glass fibre filled Nylon sprit ends
- 15 cm heat shrinkable sprit protection tubing,
prevents wear between mast and sprit