Extensions & UJs

Adjusting your downhaul on your windsurfer or getting the foot close to the deck. You need a good mast extension to get the correct height for your sail. Maybe a rachet Duotone mast extension is a good plan to make life easy.
Chinook Ali Extension SDM 28cm Windsurfing Alloy - Boardworx

Chinook Ali Extension SDM 28cm Windsurfing Alloy

£85.95

Chinook windsurfing equipment is widely regarded as the toughest hardcore kit anywhere in the world. Their unconditional warranty means you can tre...

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Chinook Carbon 48cm SDM - Boardworx

Chinook Carbon 48cm SDM

£155.00

Chinook Carbon 48cm SDM Standerd Diameter Chinook's Carbon Base Extensions feature the Power Haul Cleat and pulley, and a ring-and-groove adjustmen...

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Chinook Carbon RDM 32cm windsurfing mast extension Euro pin - Boardworx

Chinook Carbon RDM 32cm windsurfing mast extension Euro pin

£145.00

Probably the most highly regarded extensions on the market. New extended length! Ultra light weight Elegant and very strong New easy to use Compos...

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Chinook One Bolt Tendon Mast Base - Boardworx

Chinook One Bolt Tendon Mast Base

£89.00

This chinook tendon joint is the best looking out there, tendon is held between 2 machined  stainless steel  cups. Allen keyed and lock nutted, to ...

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Chinook RDM 28cm windsurfing mast extension - Boardworx

Chinook RDM 28cm windsurfing mast extension

£89.95

Chinook RDM 28cm Alloy Windsurfing extension Probably the most highly regarded extensions on the market. Large brass rollers significantly reduce ...

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Duotone 42cm SDM Epx Mast Extension - Boardworx

Duotone 42cm SDM Epx Mast Extension

£85.00

These solid 42 cm SDM ( standerd diameter ) extension available for most SDM masts. Its well-known pin adjustment system enables reliable height ad...

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Duotone Gear Wheel Power XT 2.0 Mast extension - Boardworx
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Duotone Gear Wheel Power XT 2.0 Mast extension

£26.90

Duotone / North Cog for Power 2.0 XTR / XT Replacement cog for both power xt and xtr and xti extensions

Duotone I Base 2.0 Tendon + Base Plate

Duotone I Base 2.0 Tendon + Base Plate

£95.00

Duotone iBase 2.0 + iTendon Windsurfing Base Lowest design, extreme durabilitySo that the iBASE 2.0 can be installed or removed without the need f...

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Duotone I Tendon For IBase - Boardworx

Duotone I Tendon For IBase

£55.00

Lowest design, extreme durabilitySo that the iBASE 2.0 can be installed or removed without the need for tools, it has been designed to include a ce...

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Duotone Power XT 2.0 Mast Extension SDM Windsurfing 28cm - Boardworx

Duotone Power XT 2.0 Mast Extension SDM Windsurfing 28cm

£149.00

An inspiring (r)evolution the POWER.XT 2.0 can do much more and do it better than the previous model. And as POWER.XT 2.0 AERO RDM 34 it is also th...

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Duotone Power XT Mast Extension Windsurfing Ratchet 2022 - Boardworx

Duotone Power XT Mast Extension Windsurfing Ratchet 2022

from £159.00

An inspiring (r)evolution – the POWER.XT 2.0 can do much more and do it better than the previous model. And as POWER.XT 2.0 AERO RDM 34 it is also ...

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Duotone RDM 36cm mast extension windsurfing EPX XT - Boardworx

Duotone RDM 36cm mast extension windsurfing EPX XT

£75.00

These solid 36 cm RDM extension available rdm masts. Its well-known pin adjustment system enables reliable height adjustment and secure locking. Th...

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Duotone Uni.XT Windsurfing Extension

Duotone Uni.XT Windsurfing Extension

£119.00

UNI.XT – the most technically advanced and yet the most lightweight standard aluminium extension we have ever built. Now also built using SLS ca...

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