LIGHTNING M-5 MAINSAIL Color:White Your rig can be set

Your rig can be set at a "base" setting for all purpose racing while also allowing tuning changes (between races

The World Championship winning F-1 mainsail is an all-purpose mainsail

The Magnum Mainsail is all-purpose sail

The yarn tempered cloth reduces speed-robbing stretch in the high load head and clew areas

LIGHTNING M-5 MAINSAIL Color:White Your rig can be setPossibly the winningest mainsail in the history of the Lightning Class, the M 5 main is designed based on a tuning system which enables your team to "change gears" based on wind conditions and your sailing style by adjusting mast blocks and lowers tuning. The M5 setup allows more use of the backstay to control mainsail shape and headstay sag. Your rig can be set at a "base" setting for all purpose racing while also allowing tuning changes (between