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 ...
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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
2 Bolt Base Proflex Euro Pin
The all new Chinook Sailing 2-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 ...
2 Bolt Base Proflex US Cup
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 ...
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Snap Collar Six Pin #168
The latest innovation eliminates all unnecessary moving parts. We've also reduced the outside diameter of this collar to stop sail wear on the board. Will easily retro-fit on older extensions.
0cm Chinook Extension Pin
The unique and innovative features that make the Stubby Extension stand out is that it can be used with Standard Diameter and Reduced Diameter Mast with the proven Euro-Pin EX pulley and cleat syst...
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Universal Power Joint
This power joint can be used to replace or upgrade almost any windsurfer system and get you back on the water. Comes as shown, additional hardware may be required.
Rubber Joint
8mm threads
Height 5cm
17% Off
Goya 32cm Euro Extension RDM
The economic alternative. Same features, same strength, in a more affordable package using quality T8 aluminum.
Our aluminum extensions use the same pin and collar system, stainless steel power pu...
Chinook Tendon Joint Proflex
Replacement tendon joint for proflex mast base .
Chinook Base Cup Kit #144
Replacement Cup Kit for US Bases-1-Bolt or 2 Bolt
Collar-Skinny pin-leash #169
This collar fits both carbon and aluminum skinny extensions.
Skinny Snap Collar and Plug
The latest innovation eliminates all unnecessary moving parts. We've also reduced the outside diameter of this collar to stop sail wear on the board. Will easily retro-fit on older extensions.
Chinook Tendon Screw & Nut Pin
Set of two: M5 Screws with Lock Nuts for europin tendon bases.
Chinook Tendon Screw & Nut US
Set of two: M5 Screws with Lock Nuts for US Cup tendon bases.
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Chinook EuroPin Head Tendon
Replacement Euro Pin Head (upper) for tendon bases.
4% Off
Goya 30cm Euro Extension SDM
The economic alternative. Same features, same strength, in a more affordable package using quality T8 aluminum.
Our aluminum extensions use the same pin and collar system, stainless steel power pu...
Sold Out
North Sails RDM Extension 34cm
North Sails RDM extensions ensure that you spend less time rigging and maximize your time out on the water. The Carbon is our lightest RDM extension, offering a more compact and stiff material for ...
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