![Chinook PROFLEX 2-bolt Mast Base w/ US Cup - OceanAir Sports](http://oceanairsports.com/cdn/shop/products/Proflex2boltUSv1_1600x_bdb5db11-4dd3-47c2-a615-9202555d28c5_{width}x.png?v=1615919564)
Product Details
The all new Chinook Sailing 2-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.
- Proven 2 bolt Quick Release Base Plate
- Available in 1 Bolt and Euro-Pin EX versions!