Collection:
Base Extensions
38 products
Chinook Tendon Joint #111
Replacement tendon joint for mast base. Standard with most tendon bases on the market.
29% Off
Chin Brass slider T-Nut#90-8mm
Slider Brass T-Nut (8mm)
PowerJoint only #120
Replacement joint for rubber mast bases.
For US version (8mm female thread on both ends)
NP UXT 36cm Extension RDM
Universal Pin System with a quick release button. Solid aluminum tubes combined with double pulleys for friction-free, high tension downhauling.
UXT CLAMSHELL ADJUSTMENT SYSTEM> Easy, user frien...
8% Off
Goya Base Pro U-Pin
The Goya Base is a One Size Fits All system using a urethane tendon. It screws into any standard fin-box type mast-track.
Used by most professional sailors this base attaches all your Goya boards ...
Sold Out
Neilpryde UXT Power Base
Power bases featuring US box mast base system and transparent urethane tendon. The mast-base of choice for most professional windsurfers.
Low profile, wide surface area contacting board for better...
1 Bolt Base Proflex Euro Pin
The all new Chinook Sailing 1-Bolt Pro Flex Mast Base Euro-Pin EX features all of the advantages of a tendon base with the added features of a mechanical base.
Same shock absorption as standard ...
1 Bolt Base Proflex US Cup
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 ...
33% Off
NP UXT 36cm Extension SDM
Universal Pin System with a quick release button. Solid aluminum tubes combined with double pulleys for friction-free, high tension downhauling.
UXT CLAMSHELL ADJUSTMENT SYSTEM> Easy, user frien...
Sold Out
Chinook 2 Bolt Plate Ass. #61
Chinook's 2-Bolt deckplate is easily adjusted with the built-in hex wrench on the mastfoot pin (not included)
13% Off
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