FCS II Christenson Performance Glass Thruster Fins

The FCS II Christenson Performance Glass Thruster Fins are built to deliver a solid, dependable feel in demanding surf. Developed to work across Christenson’s performance and hybrid board models, this tri set is tuned for surfers looking for controlled drive, reliable hold, and a connected response when conditions become more critical.

This set uses the Accelerator thruster template, a versatile all-round shape designed to balance speed, flow, and response. A fuller tip profile adds control through turns, helping the fin maintain composure when pushing harder through powerful sections, drawn-out carves, or more committed direction changes. The overall feel is planted and confidence-inspiring, without losing the ability to generate speed and carry momentum.

A key part of this setup is the use of Performance Glass construction. Machine cut from layers of solid fibreglass, PG fins are known for their stiffness and for maintaining flex integrity under heavy load. In practical terms, this translates into a more direct and connected sensation underfoot, especially when driving through turns. Compared with lighter constructions, the slightly heavier PG build brings added substance and control, which suits surfers who prefer a firmer, more composed fin response.

The Christenson tri also features a custom foil engineered to produce a medium to firm flex pattern. This helps the set feel stable and predictable when pressure is applied, making it well suited to stronger surfing and more critical conditions where consistency matters. The design focus is not on looseness, but on dependable performance with clear feedback through the board.

Designed to fit the FCS II Fin System, this set is recommended for a wide range of board types, including fish, funboards, and twin fin boards. That broad compatibility makes it a practical option for surfers wanting a more controlled thruster feel across different shapes, especially on boards that benefit from added hold and drive.

For surfers drawn to Christenson’s approach to board design, this fin set offers a material and template combination chosen to perform across varied models while staying composed under pressure.

• Fin setup, Thruster, tri fin set
• Template, Accelerator
• Construction, Performance Glass, machine cut from layers of solid fibreglass
• Flex, Medium to firm flex pattern
• Feel, Solid, dependable, connected
• Performance focus, Speed, flow, response, added control through turns
• Tip profile, Fuller tip for increased control
• Board compatibility, Designed for Christenson performance and hybrid models
• Board types, Suitable for all board types including fish, funboard, and twin fin boards
• Fin system, Designed to fit the FCS II Fin System