Fin Box Type
Size

Chinook Windsurfing Mast Extension SDM Euro Pin

Price range: £69.95 through £99.95

In stock

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 Euro-Pin EX Power-Haul pulley and cleat system and 2 cm adjustment increments.
  • Standard Diameter
  • Euro-Pin EX
  • Stainless steel button engages three sides of Euro-Pin for safer attachment
  • Large brass pulleys for increased leverage
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Chinook Windsurfing Mast Extension RDM Euro Pin

Price range: £69.95 through £99.95

In stock

Chinook Windsurfing Mast Extension RDM Probably the most highly regarded extensions on the market.
  • Large brass rollers significantly reduce friction and give easy down hauling.
  • New easy to use Composite Snap Collar eliminates lost pins and can be quickly adjusted with one hand
  • Large finger friendly metal release button - with a good positive action.
  • Finished in a stunning blue anodized outer coating.
  • Highly visible and durable height adjustment markings.
  • High grip clam cleat and quality downhaul rope.
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Chinook Windsurfing Carbon Mast Extension RDM Euro Pin

Price range: £119.95 through £155.95

In stock

Probably the most highly regarded extensions on the market.
  • Ultra light weight
  • Elegant and very strong
  • New easy to use Composite Snap Collar eliminates lost pins and can be quickly adjusted with one hand
  • Large brass rollers significantly reduce friction and give easy down hauling
  • Fully adjustable, easy to use collar, with pin & line
  • Large finger friendly metal release button - with a good positive action
  • Highly visible and durable height adjustment markings
  • High grip clam cleat and quality downhaul rope
  • Stylish gloss finish
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Radz Windsurfing Mast Extension RDM

Price range: £52.95 through £59.95

In stock

Radz Windsurfing Mast Extension RDM Does not come with downhaul! Please remember to add standard downhaul or formuline downhaul to your order. Mast extension incorporating a euro pin base. Available in RDM or SDM and in sizes - 15cm, 30cm and 45cm
Select options This product has multiple variants. The options may be chosen on the product page

Radz Windsurfing Mast Extension SDM

Price range: £53.95 through £59.95

In stock

Radz Windsurfing Mast Extension SDM Does not come with downhaul! Please remember to add standard downhaul or formuline downhaul to your order. Mast extension incorporating a euro pin base. Available in RDM or SDM and in sizes - 15cm, 30cm and 45cm
Select options This product has multiple variants. The options may be chosen on the product page

Severne Wave Grenade HD Alloy Windsurfing Mast Extension 24cm+36cm

Price range: £109.00 through £119.00

In stock

WAVE GRENADE ALUMINIUM 36cm / 24cm OUR NO COMPROMISE WAVE GRENADE CARBON HAS BEEN REDESIGNED FOR THE ULTIMATE DURABILITY. Tube diameter and wall thickness have been increased for incredible reliability. WAVE GRENADE HD  36cm / 24cm HEAVY DUTY HD stands for Heavy Duty. The new WAVE GRENADE HD has 36cm or 24cm of adjustment for better compatibility with our wave sail range. We analyzed the need for more reliable tubes over this increased length and tested a variety of Aluminum specification. We decided on a wall thickness 33% thicker and an increased outside diameter, for the ultimate durability against bending and breaking.
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Severne Wave Grenade HD Carbon Windsurfing Mast Extension 24cm+36cm

Price range: £215.00 through £235.00

In stock

WAVE GRENADE CARBON 36cm / 24cm OUR NO COMPROMISE WAVE GRENADE CARBON HAS BEEN REDESIGNED FOR THE ULTIMATE DURABILITY. Tube diameter and wall thickness have been increased for incredible reliability. WAVE GRENADE HD  36cm / 24cm HEAVY DUTY HD stands for Heavy Duty. The new WAVE GRENADE HD has 36cm or 24cm of adjustment for better compatibility with our wave sail range. We analyzed the need for more reliable tubes over this increased length and tested a variety of Aluminum specification. We decided on a wall thickness 33% thicker and an increased outside diameter, for the ultimate durability against bending and breaking.
Select options This product has multiple variants. The options may be chosen on the product page

Severne Cyclops RDM Carbon Mast Extension 24+36cm

Price range: £215.00 through £235.00

In stock

Severne Cyclops RDM Mast Extension

RIG YOUR SAIL IN UNDER 1 MINUTE

The CYCLOPS extension has a single pulley for rapid loop ‘n go rigging.  Simply pass the loop of rope through the tack pulley on the sail and hook it over the single pulley on the extension.  A single pull applies full downhaul tension in seconds. All the ropes and pulleys are kept in perfect alignment to eliminate a lot of the friction and makes up for any loss of leverage from less pulleys. A built-in handle negates the need for any tool, and stuff into the downhaul pocket on the sail. Formuline rope is used to further reduce friction and minimize rope wear. Faster, simpler rigging.
  • SINGLE LOOP-GO PULLEY
  • EFFICIENT PULLEY ALIGNMENT
  • NEW STAINLESS STEEL AUTOMATIC COLLAR
  • STAINLESS STEEL BUTTON AND MECHANISM
  • ZERO CM SETTING
Select options This product has multiple variants. The options may be chosen on the product page

Severne Cyclops HD RDM Aluminium Mast Extension 24+36cm

Price range: £105.00 through £115.00

In stock

Severne Cyclops RDM Mast Extension

RIG YOUR SAIL IN UNDER 1 MINUTE

The CYCLOPS extension has a single pulley for rapid loop ‘n go rigging.  Simply pass the loop of rope through the tack pulley on the sail and hook it over the single pulley on the extension.  A single pull applies full downhaul tension in seconds. All the ropes and pulleys are kept in perfect alignment to eliminate a lot of the friction and makes up for any loss of leverage from less pulleys. A built-in handle negates the need for any tool, and stuff into the downhaul pocket on the sail. Formuline rope is used to further reduce friction and minimize rope wear. Faster, simpler rigging.
  • SINGLE LOOP-GO PULLEY
  • EFFICIENT PULLEY ALIGNMENT
  • NEW STAINLESS STEEL AUTOMATIC COLLAR
  • STAINLESS STEEL BUTTON AND MECHANISM
  • ZERO CM SETTING
Select options This product has multiple variants. The options may be chosen on the product page

K4 Scorcher Rears Wave Fin US BOX Windsurfing Fin

,
£39.90

In stock

K4 Scorcher Rears Wave Fin US BOX The choice for 3 of the top 6 PWA finishers! Developed largely with the help of Adam Lewis who was looking for a fast fin but which still gave him heaps of grip for powerful turns. The Scorcher is your ‘go to’ fin for most conditions and boards -instant drive, excellent top speed and the grip to smash a powerful hook.
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Chinook Windsurfing Inflight Outhaul Kit

£79.95

Only 3 left in stock

  • Everything you need to adapt a Chinook or any other boom into a low friction, 8 to 1, on-the-fly out-haul system
  • Includes 2 cleats, double sail pulley, 4mm pre-stretched line (1-12’,2-5’ lengths), two Ronstan pulley blocks, and 2 T-handles
  • Compatible with modern race booms that have three integrated outhaul pulleys
  • Modern high performance sails often benefit from adjustable outhaul;
    • Different wind angles (broader = looser)
    • Wind strengths (stronger = tighter)
  • You'll be amazed at the difference it makes!
  • All serious racers use in-flight adjustable outhauls
  • Fantastic for ALL performance blasters

Ding Epoxy Board Repair Stick from Chinook

£15.95

Only 2 left in stock

A hand-kneadable, special epoxy putty that mixes in just one minute for permanent repairs to damp or wet areas. Dries white in 30 minute cure time. Perfect gearbag item.

2025 Severne SDM Apex Carbon Windsurfing Mast 5.30 NOW £599

Price range: £569.00 through £699.00

In stock

The APEX mast has an added fibreglass outer layer which makes it less susceptible to impact damage. The Apex taper has smaller diameter mid-sections with increased wall thickness for increased reliability.
/ PERFORMANCE + RELIABILITY
/ INTEGRATED FERRULE
/ TORAY PRE-PREG CARBON
/ +7 MEASURED OFFSET ACCURACY / SLIPLOK PREVENTS BOOM FROM SLIDING
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Downhaul Outhaul Inhaul for Windsurfing Standard 4mm Polyester Rope

Price range: £1.50 through £14.50

In stock

Polyester option for windsurf downhauls and outhauls, grips well in cleats and provides good abrasion resistance £1.50 per metre We will ship this is one total length. Please contact us if you would like it pre cut to particular lengths What length to buy if you are not sure:
  • Downhaul 2m
  • Outhaul 1m
  • Inhaul (around the front end mast clamp) 1m
Select options This product has multiple variants. The options may be chosen on the product page