Surf System Thruster Fins - FCS 1 Compatible - G5 - Black

Surf System Thruster Fins - FCS 1 Compatible - G5 - Black

The versatile and affordable fin set designed to boost drive, speed, and maneuverability on your surf board

The Surfsystem FCS I Compatible G5 Surfboard Fins (Black) are the perfect choice whether you're replacing lost fins, setting up a new board, or keeping a reliable backup set in your board bag. Built around the classic G5 (Medium) template, these fins deliver the ideal balance between hold, speed, and responsiveness across a wide variety of wave conditions. Featuring a two-tab base fully compatible with the traditional FCS I system, they mount quickly onto most shortboards, hybrids, and funboards equipped with standard FCS plugs. Finished in sleek matte black, they offer a clean, timeless look that blends seamlessly with any board graphic.

Technical Features & Design

• G5 Template (Medium Size): The industry's most versatile shape, providing a sweet spot of drive, pivot, and hold in steep wave faces.

• FCS I Compatibility: Fits all classic FCS I dual-tab plug systems (also compatible with FCS II boxes when using FCS II tab compatibility adapters).

• Thruster Configuration (3-Fin Set): Comes as a complete set including left, right, and center fins.

• Durable Composite Construction: High-density polymer composite engineered to offer a forgiving, consistent flex pattern for smooth rail-to-rail transitions.

• Black Finish: All-black aesthetic delivering a clean, subtle style under your board.

Key Strengths

• Universal Performance: A versatile template ideal for medium-weight surfers (65 to 80 kg / 143 to 176 lbs) and effective in wave conditions from 2 ft to overhead.

• Unbeatable Value: A cost-effective, high-performance alternative to big-brand fins without compromising on durability or fit.

• Quick & Easy Setup: Fast installation using any standard surfboard fin key.

Specifications

• Model: G5 Thruster Fins

• Brand: Surfsystem

• Box Compatibility: FCS I

• Configuration: Thruster (3-Fin Set: Left, Center, Right)

• Size: Medium (G5) – Best suited for riders weighing 65 kg to 80 kg (143–176 lbs)

• Colorway: Black

• Materials: High-density polymer / Nylon composite

The Breizh Rider Team's Advice

"The Surf System FCS I G5 fins are an absolute staple to keep in your surf bag at all times! The G5 template is the universal benchmark: it performs predictably in virtually all conditions and suits the vast majority of surfers. Whether you need to replace a lost fin after a session on reef and rocks or want an affordable day-to-day setup without breaking the bank, this set delivers incredible value. A total shop favorite!"

Shipped from Brittany: Stock available in our shop in Douarnenez. Careful preparation and fast shipping across France and Europe.