Windsurfing Bases and Extensions

The new Six Pin adjusting collar and anodized logo/index markings are some of the unique and innovative features that make these the most popular extensions on the market. Standard with the proven US Power-Haul pulley and cleat system and 2 cm adjustment...

Upper part only for Two-Bolt "Quick Release" Rubber Mast Base.

The sleek Six Pin adjusting collar and anodized logo/index markings are some of the unique and innovative features that make these the most popular extensions on the market. Standard with the proven US Power-Haul pulley and cleat system and 2 cm...

Quick release plate for all Two-Bolt "Quick Release" Mast Bases. Includes mounting hardware.

Product Details 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 Tendon bases for...

Elegant and very strong. New easy to use Composite Snap Collar system eliminates lost pins or collars and can be quickly adjusted with one hand. All come with the proven US Power-Haul pulley and cleat system and 2 cm adjustment increments. Adds a maximum...

DUOTONE iBase + iTendon 1-bolt EP base – Lowest, strongest, lightest 1-bolt ep baseThis 1-bolt base from Duotone is the lightest – strongest – lowest base of its kind. Unique upper and lower parts make the iBase / iTendon one...

Nautix mechanical base with a euro upper.

Custom alloy and bell shaped tubing provide the best weight to strength available in aluminum. New easy to use Composite Snap Collar system eliminates lost pins or collars and can be quickly adjusted with one hand. All come with the proven US Power-Haul...

Elegant and very strong. New easy to use Composite Snap Collar system eliminates lost pins or collars and can be quickly adjusted with one hand. All come with the proven US Power-Haul pulley and cleat system and 2 cm adjustment increments. Adds a maximum...

Mechanical joint is easy to attach to wide boards and provides instant drive to race boards. This proven design incorporates a built-in wrench for baseplate adjustment and a safety-lock mechanism. Indisputably the most dependable and easiest to use base...

Upper part only for Two-Bolt "Quick Release" Tendon Mast Base.

The sleek Six Pin adjusting collar and anodized logo/index markings are some of the unique and innovative features that make these the most popular extensions on the market. Standard with the proven US Power-Haul pulley and cleat system and 2 cm...

Custom alloy and bell shaped tubing provide the best weight to strength available in aluminum. New easy to use Composite Snap Collar system eliminates lost pins or collars and can be quickly adjusted with one hand. All come with the proven US Power-Haul...

Improved lay-up and manufacturing process! Our lightest extensions come with a Six Pin adjusting collar and are stronger than ever with reinforced sidewalls. All come with the proven US Power-Haul pulley and cleat system and cm index markings. 2 cm...

Nautix mechanical base with a US upper.

Elegant and very strong. New easy to use Composite Snap Collar system eliminates lost pins or collars and can be quickly adjusted with one hand. All come with the proven US Power-Haul pulley and cleat system and 2 cm adjustment increments. Adds a maximum...

Improved lay-up and manufacturing process! Our lightest extensions come with a Six Pin adjusting collar and are stronger than ever with reinforced sidewalls. All come with the proven US Power-Haul pulley and cleat system and cm index markings. 2 cm...

Replacement adjustable collar for Aeron mast extensions, including easy-adjust pin. One piece Stainless steel pin and collar Protective plastic shell

Improved lay-up and manufacturing process! Our lightest extensions come with a Six Pin adjusting collar and are stronger than ever with reinforced sidewalls. All come with the proven US Power-Haul pulley and cleat system and cm index markings. 2 cm...