DETAILS
It’s back! The rubber joint is by far the most popular joint available, and it is perfect for a variety of conditions and rider skill levels thanks to its great flexibility and shock absorption. Chinook’s one-bolt mast bases are a single piece of hardware that twists and tightens down onto your mast track.
1-Bolt Twist-On Mast Base Universal Complete US Base Cup
– Rubber joint provides excellent performance and shock absorption.
– Very low to the deck
– Four finger ribs for easy adjustment
– US Base Cup attachment to extension
– ONLY AVAILABLE AS 1-BOLT US BASE AT THIS TIME
COMPATABILITY
The Chinook Rubber 1-Bolt U.S. windsurfing mast base is compatible with all U.S. extensions, including the Chinook extensions displayed below.
| Chinook Windsurfing Skinny Carbon Mast Extension US |  |
| Chinook Windsurfing Carbon Mast US Extension SDM |  |
| Chinook Windsurfing Skinny Aluminum Mast Extension US |  |
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WHICH MAST BASE IS BEST?
1-Bolt or two? Tendon, rubber or mechanical joint? Euro-Pin or U.S. Cup? Find side-by-side comparisons of each windsurfing mast base system in this mast base guide. Pros, cons, and who benefits most from each — it’s all there!
