Chinook Rubber 1-Bolt US Windsurfing Mast Base
$90.00
Perfect for a variety of conditions and rider skill levels thanks to its great flexibility and shock absorption.
Out of stock
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 | ![]() |
![]() |
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!





