Power Box Fin X1 V4 18cm Select SM040010018

Power Box Fin X1 V4 18cm Select SM040010018

Description:

The X1.V4 is a versatile wave fin engineered to work with a wide range of board configurations — quad, thruster, twinzer or single — allowing riders to dial in their preferred setup for any session. Constructed from a high-strength glass-fiber reinforced composite, the fin balances stiffness and flex to deliver responsive drive, predictable release in turns and long-term durability. Its refined foil and base geometry reduce drag while improving water flow, translating into increased acceleration and smoother rail-to-rail transitions. The X1.V4’s size grid and Power Box compatibility make it simple to swap and customize setups on the beach or at the launch. Designed for both everyday wave riders and performance-minded surfers, it provides a dependable mix of control, speed and pivot for a variety of wave conditions.

Key Features:

• Universal design compatible with Power Box fin systems and multiple board setups (Quad, Thruster, Twinzer, Single)
• Glass-fiber reinforced composite construction for a durable yet responsive flex pattern
• Performance-oriented foil that reduces drag and increases forward drive
• Sturdy base for secure box fit and efficient power transfer from board to water
• Balanced stiffness for predictable release on critical maneuvers and turns
• Size optimized (18 cm) to suit a wide range of rider weights and wave types
• Easy to install and swap — ideal for riders who change setups frequently
• Corrosion-resistant mounting hardware compatibility for long service life
• Neutral aesthetic that integrates with most board designs

Specifications:

Manufacturer: Select
SKU: SM040010018
Material: Glass-fiber reinforced composite (performance polymer composite)
Size/Dimensions: 18 cm (height)
Weight: Not specified
Color: Not specified
Size: 18cm
Category: Fins
Age Group: Adults
Gender: Unisex

Recommended Use:

Ideal for recreational and advanced surfers and riders who want a single fin solution that adapts to multiple board setups. Best suited to wave riding — from small beach breaks to punchier reef or point waves — where a mix of drive and maneuverability is needed. Performs well in a range of conditions and is particularly useful for riders who swap between quad, thruster, twinzer or single configurations; pair with a compatible Power Box-equipped board and standard mounting hardware for best results.