A close up of a set of FCS II Reactor Fins in a surfboard

FCS II Reactor Fins

Reactor Family = Speed

FCS II Fins in the Reactor Family are designed for fast, tight turns with added tail release. The Reactor fins feature a smaller centre fin and are great for quick pivots, they are the perfect choice for surfers who like to perform fast, progressive manoeuvres.

  • Upright template with low sweep
  • Speed, tight turns and snaps
  • Beach breaks and hollow waves
  • Boards with a lower rocker
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FCS II CI PC Tri Quad Fin Set - Large - Black Flame

A template that comes to life in punchy hollow waves, but can also suit conditions where you need early speed to get going. Large: 75Kg - 90Kg / 165 -...
£149.95
All productsFCS II Reactor Fins

O'Neill Youth Reactor 2mm Spring Suit - AU1

The Reactor II series have been engineered to offer performance and value all in one. Redesigned with fresh colours and graphics, and quality that's built to last Colour Way: AU1:...
£54.95
All productsFCS II Reactor Fins

O'Neill Toddler Reactor 2mm Back Zip Spring Suit - FQ2

 Let the kids play around on the beach knowing they are warm, comfortable and protected from the sun's harmful rays. The Reactor Series utilises O'Neill's exclusive FluidFlex™ neoprene and is...
£39.95
All productsFCS II Reactor Fins

O'Neill Toddler Reactor Fullsuit - DG5

 Let the kids play around on the beach knowing they are warm, comfortable and protected from the sun's harmful rays. The Reactor Series utilises O'Neill's exclusive FluidFlex™ neoprene and is...
£49.95
All productsFCS II Reactor Fins

O'Neill Reactor II 2mm Spring Suit - AU1

The Reactor II series have been engineered to offer performance and value all in one. Redesigned with fresh colours and graphics, and quality that's built to last Colour Way: AU1...
£72.95
All productsFCS II Reactor Fins

O'Neill Youth Reactor II 3/2mm Wetsuit - AU1

The Reactor II series have been engineered to offer performance and value all in one. Redesigned with fresh colours and graphics, and quality that's built to last Colour Way: AU1...
£69.95
All productsFCS II Reactor Fins

O'Neill Reactor Reef Boot - A19

Easy on-and-off slip on shoe, perfect for on the beach and by the coast. Round Toe Comfortable fluid foam Durable textured rubber sole
£26.95
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O'Neill Reactor II 3/2mm Wetsuit - EJ7

The Reactor II series have been engineered to offer performance and value all in one. Redesigned with fresh colours and graphics, and quality that's built to last Colour Way: EJ7...
£99.95
All productsFCS II Reactor Fins

O'Neill Women's Reactor II 3/2mm Wetsuit - EP7

The Reactor II series have been engineered to offer performance and value all in one. Redesigned with fresh colours and graphics, and quality that's built to last Colour Way: EP7...
£94.95
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FCS II Gerry Lopez PC Tri Fin Set - Medium

3 fin set Medium (65-80kg) Ideal Conditions: Hollow steep powerful waves, punchy beach breaks Board Types: Performance hybrid models with deep concaves and moderate-to-extreme rocker Fin Family: Reactor Performance Core...
£99.95
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O'Neill Women's Reactor II 3/2mm Wetsuit - BH2

The Reactor II series have been engineered to offer performance and value all in one. Redesigned with fresh colours and graphics, and quality that's built to last Colour Way: BH2...
£94.95
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FCS II Reactor Neo Glass Eco Tri Fin Set - Ash - Medium

Features: Colour: Ash Designed for speed and tight turns, with added tail release. Upright template allows for tighter, more acute directional changes. Smaller centre fin for increased pivot and tail...
£64.95
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FCS II Channel Islands Upright PC Tri Fin Set - White - Large

Size: Large (75-90kg) Designed to fit the FCS II Fin System Suits performance boards with deep concaves and moderate-to-extreme rocker. Fin Family: Reactor: Find Speed, Speed, tight turns & snaps....
£109.95
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FCS II Channel Islands Upright PC Tri Fin Set - White - Medium

Size: Medium (65-80kg) Designed to fit the FCS II Fin System Suits performance boards with deep concaves and moderate-to-extreme rocker. Fin Family: Reactor: Find Speed, Speed, tight turns & snaps....
£99.95
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FCS II MB PC Carbon Tri Quad Fin Set - Medium - Blue Multi

Medium (65 - 80Kg) 5 Fin Thruster / Quad set Performance Core CarbonPerformance Core construction with hand laid carbon fiber designed to deliver controlled flex and enhanced base stiffness. Ideal...
£149.95
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FCS II MB PC Carbon Tri Fin Set - Large - Red Multi

Medium (67 - 90Kg) 3 Fin thruster set Performance Core CarbonPerformance Core construction with hand laid carbon fiber designed to deliver controlled flex and enhanced base stiffness. Ideal ConditionsA wide...
£109.95
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FCS II MB PC Carbon Tri Fin Set - Medium - Blue Multi

Medium (65 - 80Kg) 3 Fin thruster set Performance Core CarbonPerformance Core construction with hand laid carbon fiber designed to deliver controlled flex and enhanced base stiffness. Ideal ConditionsA wide...
£109.95
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FCS II MB PC Carbon Tri Fin Set - Small - Green Multi

Small (55 - 70Kg) 3 Fin thruster set Performance Core CarbonPerformance Core construction with hand laid carbon fiber designed to deliver controlled flex and enhanced base stiffness. Ideal ConditionsA wide...
£109.95
All productsFCS

FCS II CI PC Tri Fin Set - Large

A template that comes to life in punchy hollow waves, but can also suit conditions where you need early speed to get going. Large: 75Kg - 90Kg / 165 -...
£109.95
All productsFCS

FCS II CI PC Tri Fin Set - Medium

A template that comes to life in punchy hollow waves, but can also suit conditions where you need early speed to get going. MEDIUM: 65Kg - 80Kg / 145 -...
£99.95
All productsFCS

FCS II Reactor PC Quad Rears - Medium

Features: Designed for speed and tight turns, with added tail release. Upright template allows for tighter, more acute directional changes. Ideal for surfers who like to perform fast, progressive turns....
£64.95
All productsFCS

FCS II Reactor PC Tri Fin Set - Medium

Features: Designed for speed and tight turns, with added tail release. Upright template allows for tighter, more acute directional changes. Smaller centre fin for increased pivot and tail release. Ideal...
£89.95
All productsFCS II Reactor Fins

O'Neill Youth Reactor II 3/2mm Wetsuit - Z94

The Reactor II series have been engineered to offer performance and value all in one. Redesigned with fresh colours and graphics, and quality that's built to last Colour Way: Z94...
£69.95
All productsFCS II Reactor Fins

O'Neill Toddler Reactor 2mm Back Zip Spring Suit - EJ9

 Let the kids play around on the beach knowing they are warm, comfortable and protected from the sun's harmful rays. The Reactor Series utilises O'Neill's exclusive FluidFlex™ neoprene and is...
£39.95
All productsFCS II Reactor Fins

O'Neill Youth Reactor II 3/2mm Wetsuit - L43

The Reactor II series have been engineered to offer performance and value all in one. Redesigned with fresh colours and graphics, and quality that's built to last Colour Way: L43...
£69.95
All productsFCS II Reactor Fins

O'Neill Youth Reactor II 2mm Spring Suit - Z94

The Reactor II series have been engineered to offer performance and value all in one. Redesigned with fresh colours and graphics, and quality that's built to last Colour Way: Z94...
£49.95
All productsFCS II Reactor Fins

O'Neill Youth Reactor II 2mm Spring Suit - EJ7

The Reactor II series have been engineered to offer performance and value all in one. Redesigned with fresh colours and graphics, and quality that's built to last Colour Way: EJ7...
£49.95
All productsFCS II Reactor Fins

O'Neill Reactor II 2mm Spring Suit - A00

The Reactor II series have been engineered to offer performance and value all in one. Redesigned with fresh colours and graphics, and quality that's built to last Colour Way: A00...
£72.95
All productsFCS II Reactor Fins

O'Neill Reactor II 3/2mm Wetsuit - A00

The Reactor II series have been engineered to offer performance and value all in one. Redesigned with fresh colours and graphics, and quality that's built to last Colour Way: A00...
£99.95
All productsFCS II Reactor Fins

O'Neill Women's Reactor II 3/2mm Wetsuit - Z94

The Reactor II series have been engineered to offer performance and value all in one. Redesigned with fresh colours and graphics, and quality that's built to last Colour Way: Z94...
£94.99