FCS II Matt Biolos Performance Core Carbon Quad Rear Surfboard Fins - Large/Blue
Developed by Matt Biolos, the MB Quad Rears are designed to pair with his upright side fins, creating a loose and lively quad setup.
Developed by Matt Biolos, the MB Quad Rears are designed to pair with his upright side fins, creating a loose and lively quad setup. Perfect for beach breaks and everyday waves, this set delivers a fast, responsive feel while still maintaining stability and flow through carves. The 80/20 foil encourages smooth, easy turning with added control, making it a versatile option for surfers looking to get the most out of their quad.
The quad rear template shares a similar outline aesthetic has been designed to work seamlessly with the side fins. As a quad this set will feel very stable and smooth to turn with an underlying feeling of control. The quad set is well-suited to performance and hybrid shapes.
- Template developed by Matt Biolos to work with the upright MB side fins
- Produces a loose and lively quad set for beach breaks and everyday waves
- 80/20 foil promotes easy turning with stablity and flow when carving
- Quad Rear (2 fins) set.
Ideal Conditions
- Open face, down-the-line waves, particularly good in point and reef breaks.
Board Types
- Designed to fit the FCS II Fin System.
- Performance shortboards and hybrid models.
Fin Family
- Carver: Find Power. Powerful, drawn-out turns with added hold.
Product Information
Product Information
Shipping & Returns
Shipping & Returns

FCS II Matt Biolos Performance Core Carbon Quad Rear Surfboard Fins - Large/Blue
FCS II Matt Biolos Performance Core Carbon Quad Rear Surfboard Fins - Large/Blue
Developed by Matt Biolos, the MB Quad Rears are designed to pair with his upright side fins, creating a loose and lively quad setup.
Developed by Matt Biolos, the MB Quad Rears are designed to pair with his upright side fins, creating a loose and lively quad setup. Perfect for beach breaks and everyday waves, this set delivers a fast, responsive feel while still maintaining stability and flow through carves. The 80/20 foil encourages smooth, easy turning with added control, making it a versatile option for surfers looking to get the most out of their quad.
The quad rear template shares a similar outline aesthetic has been designed to work seamlessly with the side fins. As a quad this set will feel very stable and smooth to turn with an underlying feeling of control. The quad set is well-suited to performance and hybrid shapes.
- Template developed by Matt Biolos to work with the upright MB side fins
- Produces a loose and lively quad set for beach breaks and everyday waves
- 80/20 foil promotes easy turning with stablity and flow when carving
- Quad Rear (2 fins) set.
Ideal Conditions
- Open face, down-the-line waves, particularly good in point and reef breaks.
Board Types
- Designed to fit the FCS II Fin System.
- Performance shortboards and hybrid models.
Fin Family
- Carver: Find Power. Powerful, drawn-out turns with added hold.
Product Information
Product Information
Shipping & Returns
Shipping & Returns
Description
Developed by Matt Biolos, the MB Quad Rears are designed to pair with his upright side fins, creating a loose and lively quad setup.
Developed by Matt Biolos, the MB Quad Rears are designed to pair with his upright side fins, creating a loose and lively quad setup. Perfect for beach breaks and everyday waves, this set delivers a fast, responsive feel while still maintaining stability and flow through carves. The 80/20 foil encourages smooth, easy turning with added control, making it a versatile option for surfers looking to get the most out of their quad.
The quad rear template shares a similar outline aesthetic has been designed to work seamlessly with the side fins. As a quad this set will feel very stable and smooth to turn with an underlying feeling of control. The quad set is well-suited to performance and hybrid shapes.
- Template developed by Matt Biolos to work with the upright MB side fins
- Produces a loose and lively quad set for beach breaks and everyday waves
- 80/20 foil promotes easy turning with stablity and flow when carving
- Quad Rear (2 fins) set.
Ideal Conditions
- Open face, down-the-line waves, particularly good in point and reef breaks.
Board Types
- Designed to fit the FCS II Fin System.
- Performance shortboards and hybrid models.
Fin Family
- Carver: Find Power. Powerful, drawn-out turns with added hold.















