Chinook Tendon 1-Bolt Euro Pin Windsurfing Mast Base

$108.00
Blends efficiency and durability. The tendon provides a positive, direct transfer or rig power into a board, as well as shock absorption for a smooth ride through chop, and for jumping.

Duotone iBase 2.0 Plate 2025

$59.00
To be used with Duotone's iTendon. The iBase can live on your board. No more screwing on and off a base before and after a session. Super handy, lightweight, and simple to operate.

Duotone Adapter Strap for Base Plate

$39.00
Makes inflatable SUP boards without a windsurf-option compatible with the iRig. The majority of all SUP boards and Windsurf boards

Chinook Tendon Proflex Universal Joint Replacement

$22.00
DESCRIPTION Replacement Proflex Universal Joint for Chinook Proflex Mast Bases.  Fits the 1-Bolt and 2-Bolt US & Euro-Pin Proflex Bases

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.

Duotone iTendon for iBase 2025

$89.00
With this innovative heavy-duty tendon we have set the bar high in terms of reliability, performance and safety. Instead of

Goya Mast Base Tendon

$18.00
Replacement Tendon for Goya Mast Bases.