Duotone Power XT 2.0 Windsurf Mast Extension 2026

$219.00
This is it! A loop-n-go downhaul. No tools. No sitting down. No muscling. Best of all, tuning on the water. Our best selling extension, and for good reason. Staff Take: "Worth every penny for the time saved rigging — and being able to adjust downhaul tension on the water is a session saver in the Gorge's shifting conditions."Connie
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Chinook Windsurfing Skinny Carbon Mast Extension

Price range: $156.00 through $193.00
Dramatic weight savings for RDM mast users. Featuring the Power Haul 6:1 pulley and cleat assembly, and an easy to adjust adjustment collar. Available in US Base and Euro Pin constructions.
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Chinook Windsurfing Carbon Extension SDM

Price range: $149.00 through $175.00
Light, strong, and extensively tested in the Gorge. Chinook's Carbon Base Extension fits Standard Diameter Masts (SDM), and features large brass pulleys for improved leverage.
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Chinook Polyester 5/32″ (4mm) Downhaul and Outhaul Line

Price range: $0.48 through $144.00
DESCRIPTION This is the standard-sized 5/32″ (4mm) Chinook polyester line, used in all aluminum Chinook extensions and booms. Accept no
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Duotone iBase 2.0 + iTendon 2026

$129.00
The lowest and lightest mast base system with central screw including release option. Staff Take: "The best of both worlds — quick release convenience with short mast track Duotone board compatibility." Connie

Chinook Base 2-Bolt Proflex US

$121.00
Made for windsurf foiling only, Chinook’s new Proflex base utilizes a mechanical joint that makes attaching and separating your sail from the board easy. No more turning the board on its side to remove your sail. Saves time and hassle.

Chinook Tendon 2-Bolt Euro Pin Windsurfing Mast Base

$121.00
A great choice for durability, efficiency and convenience. The tendon provides a positive, direct transfer or rig power into a board. Staff Take: "My go-to base — the tendon delivers 360° sail response and the two-bolt quick release makes rigging and de-rigging a breeze."Connie

Chinook Skinny Aluminum Windsurfing Mast Extension

Price range: $87.00 through $115.00
Our most proven windsurfing extension. Extensively used in Big Winds' schools and rental fleets. Bombproof, single-piece aluminum construction, Power Haul 6:1 pulley and cleat assembly, and an easy to adjust six pin adjustment collar.
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Chinook Base 1-Bolt Proflex Euro Pin

$110.00
Made for windsurf foiling only, Chinook's new Proflex base utilizes a mechanical joint that makes attaching and separating your sail from the board easy. No more turning the board on its side to remove your sail. Saves time and hassle.