The all new Chinook Sailing 1-Bolt Pro Flex Mast Base US Base Cup features all of the advantages of a tendon base with the added features of a mechanical base.
Same shock absorption as standard Tendon bases for less stress on board, & sailor.
Uses standard Chinook Tendon for easy serviceability.
Free moving Mechanical hinge provides ease of attachment for larger or wider Foil boards, Formula, & Long boards etc.
Small boards less likely to flip over during waterstarts in high wind & wave conditions.
Mechanical hinge eliminates an estimated 75-80% of fatigue which occurs due to constant bending of the Tendon.
Available in 2 Bolt and Euro-Pin EX versions!