Chinook Two-Bolt Tendon Upper US Windsurfing Mast Base
$83.00
Big Winds’ most popular 2-Bolt option that goes with the Chinook Quick Release plate.
12 in stock
DETAILS
2-Bolt Quick Release “Upper” Mast Base Universal US Base Cup. – Upper part only for Two-Bolt “Quick Release” Tendon Mast Base – US Base Cup – Features an integrated 6 mm hex tool to be used with Chinook’s 2-Bolt Quick Release Base Plate shown below. 
COMPATABILITY
The Chinook Two-Bolt Tendon Upper US windsurfing mast base is best matched with the Chinook US extensions shown below.
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Goya Slim Aluminum Windsurfing Boom
Far friendlier price tag than carbon booms, but competitively stiff. Fits skinny and standard diameter masts.
Sizes 150 and smaller ship for $49 in the mainland U.S.

What does this Gorge graphic mean?
Chinook Skinny Aluminum Windsurfing Mast Extension
Our most proven windsurfing extension. Extensively used in Big Winds' schools and rental fleets. Bombproof, single-piece aluminum construction, Power Haul 6:1 pulley and cleat assembly, and an easy to adjust six pin adjustment collar.
Chinook Tendon 2-Bolt US Mast Windsurfing Base
Chinook Mechanical Universal 2-Bolt US Windsurfing Mast Base
Chinook Polyester 5/32″ (4mm) Downhaul and Outhaul Line
DESCRIPTION This is the standard-sized 5/32″ (4mm) Chinook polyester line, used in all aluminum Chinook extensions and booms. Accept no




