Futures EA Fiberglass Medium Thruster Fins (Used)
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FEA Fiberglass Thruster Fin Set – Medium Black
Upgrade your surfboard performance with the FEA Fiberglass Thruster Fin Set Medium Black, designed for surfers seeking the perfect balance of speed, control, and maneuverability. Crafted from high-quality fiberglass construction, these durable thruster fins deliver exceptional drive, responsiveness, and stability in a wide range of wave conditions.
Ideal for intermediate to advanced surfers, the medium-sized template is engineered for riders weighing approximately 145–195 lbs (65–88 kg), providing reliable hold through turns while maintaining fast acceleration and smooth rail-to-rail transitions.
The classic black finish complements any surfboard setup, while the precision-engineered foil design enhances water flow for increased speed and reduced drag. Whether you're carving powerful turns, generating speed down the line, or tackling everyday surf conditions, the FEA Fiberglass Thruster Fin Set offers dependable performance session after session.
Key Features
- Premium fiberglass construction for strength and durability
- Thruster (3-fin) setup for optimal balance of speed, drive, and control
- Medium size suitable for riders 145–195 lbs (65–88 kg)
- Responsive flex pattern for enhanced maneuverability
- Black finish for a clean, professional look
- Designed for a variety of wave conditions
- Excellent hold, projection, and stability through turns
Specifications
- Product: FEA Fiberglass Thruster Fin Set
- Size: Medium
- Color: Black
- Configuration: Thruster (3 Fin Set)
- Recommended Rider Weight: 145–195 lbs (65–88 kg)
- Material: Fiberglass
- Condition: New
Volume Reference Guide
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| Weight | Beginner | Intermediate | Advanced | Pro |
|---|---|---|---|---|
|
80 lbs
36 kg
|
23.9L | 19.9L | 16.75L | 15.9L |
|
85 lbs
38.25 kg
|
24.4L | 20.7L | 17.4L | 16.6L |
|
90 lbs
40.50 kg
|
25.7L | 21.5L | 18L | 17.20L |
|
95 lbs
42.75 kg
|
26.5L | 22.1L | 18.5L | 17.7L |
|
100 lbs
45 kg
|
27.2L | 22.6L | 19L | 18.2L |
|
110 lbs
49.5 kg
|
29.2L | 24.4L | 20.5L | 19.5L |
|
120 lbs
54 kg
|
31L | 25.9L | 21.8L | 20.7L |
|
130 lbs
58.5 kg
|
31.8L | 26.5L | 22.3L | 21.2L |
|
140 lbs
63 kg
|
33.3L | 27.8L | 23.3L | 22.2L |
|
145 lbs
65.25 kg
|
34.5L | 28.8L | 24.2L | 23L |
|
150 lbs
67.5 kg
|
35.7L | 29.8L | 25L | 23.8L |
|
155 lbs
69.75 kg
|
36.9L | 30.8L | 25.8L | 24.6L |
|
160 lbs
72 kg
|
38.1L | 31.9L | 26.7L | 25.4L |
|
165 lbs
74.25 kg
|
39.3L | 32.8L | 27.5L | 26.2L |
|
170 lbs
76.5 kg
|
40.5L | 33.7L | 28.3L | 27L |
|
175 lbs
78.75 kg
|
41.7L | 34.7L | 29.2L | 27.8L |
|
180 lbs
81 kg
|
42.9L | 35.7L | 30L | 28.6L |
|
185 lbs
83.25 kg
|
44L | 36.7L | 30.9L | 29.4L |
|
190 lbs
85.5 kg
|
45.2L | 37.7L | 31.7L | 30.2L |
|
195 lbs
87.75 kg
|
46.4L | 38.7L | 32.5L | 31L |
|
200 lbs
90 kg
|
47.6L | 39.7L | 33.4L | 31.8L |
|
210 lbs
94.5 kg
|
50L | 41.7L | 35L | 33.4L |
|
220 lbs
99 kg
|
53.9L | 44.9L | 37.7L | 36L |
|
230 lbs
103.5 kg
|
57.9L | 48.2L | 40.5L | 38.6L |
|
240 lbs
108 kg
|
62L | 51.7L | 43.5L | 41.4L |
|
250 lbs
114 kg
|
66.1L | 55.2L | 46.5L | 44.2L |
|
260 lbs
118 kg
|
70.2L | 58.7L | 49.5L | 47L |
|
270 lbs
123 kg
|
75L | 62.7L | 53L | 49.8L |
Volumes are a general starting guide. Your ideal volume can shift based on board outline, fitness, wave conditions, and personal preference. Still unsure? Contact us and we'll help you dial it in.

