1.9" Mini Side Fins (Mini Quad Rears) – Black Pro Glass (FCS Compatible, Set of 2)

Compact control in durable solid Pro Glass construction.

The 1.9" Mini Side Fins (Mini Quad Rears) are designed to function as side fins, canards or rear stabilising fins within quad surfboard configurations. Manufactured from solid black Pro Glass fibreglass, these fins provide consistent flex behaviour, controlled release, and reliable durability in a compact template suited to modern performance and hybrid boards.

Their reduced height and balanced outline support speed retention while maintaining directional stability, making them appropriate for surfers seeking predictable response without excess drag.

Supplied as a matched pair and built for FCS-compatible fin boxes.

Key features

• 1.9" stabiliser template

• Solid black Pro Glass fibreglass construction

• Balanced flex for controlled release and drive

• Compact surface area for reduced drag and speed retention

• FCS-compatible base

• Supplied as a set of two fins

Ideal for

• Quad surfboard configurations requiring small rear stabilisers

• Performance shortboards, hybrids, and grovellers

• Surfers seeking increased speed with controlled hold

• Replacement or tuning of existing setups

Why choose this product

• Durable Pro Glass construction with predictable flex characteristics

• Compact template suited to modern performance tuning

• Neutral rear-fin behaviour compatible with a wide range of front quad templates

• Straightforward installation in standard FCS-compatible fin systems

Compatibility

Designed for FCS-compatible fin boxes.
Not intended for sliding center fin box installations.

Frequently Asked Questions

Are these fins front or rear?
They are front side fins or rear quad stabiliser fins.

Can these be used in thruster setups?
No. Their size and template are intended specifically for other purposes.

What material is Pro Glass?
Pro Glass refers to solid fibreglass laminate construction, providing durability and consistent flex compared with composite or honeycomb materials.

Summary

1.9" black Pro Glass mini side fins or quad rear fins for FCS-compatible surfboards. Compact stabiliser template designed to increase speed, maintain control, and provide predictable quad performance. Supplied as a matched pair for modern performance, hybrid, and small-wave boards.