Slot Box Fin X1 V4 21cm Select SM040195021

Slot Box Fin X1 V4 21cm Select SM040195021

Description: The Slot Box Fin X1.V4 is a versatile surf/wave board fin designed to deliver consistent drive and maneuverability across multiple fin configurations. Its 21 cm profile and slot-box base make it compatible with quad, thruster, twinzer or single setups so riders can dial in trim and response for different waves and conditions. The blade is constructed from durable composite materials to balance stiffness for drive with enough flex for smooth, forgiving turns. The V4 sizing grid and box options let users customize toe-in, rake and foil position for improved hold, reduced drag and more efficient energy transfer through turns. Built for durability and straightforward installation, the X1.V4 suits riders who want a single fin that adapts to changing styles and sea states. Its unisex, adult sizing makes it a practical upgrade for both recreational and advanced wave riders.

Key Features: - Slot-box base for secure, universal mounting in most wave board boxes - 21 cm blade optimized for a balance of drive and responsiveness - Versatile design compatible with quad, thruster, twinzer and single setups - Durable composite construction for long-lasting performance - Tuned foil and rake options to improve hold and minimize drag - Easy installation and interchangeability for rapid setup changes - Adaptable sizing grid (V4) to fine-tune performance to rider style and conditions - Neutral, unisex design suitable for a wide range of board types and riders

Specifications: Manufacturer: Select
SKU: SM040195021
Material: Durable composite (manufacturer specification not provided)
Size/Dimensions: 21 cm blade height
Weight: Not specified
Color: Not specified
Size: 21cm
Category: Fins
Age Group: Adults
Gender: Unisex

Recommended Use: Ideal for surfers and wind/wave riders who want a single fin solution that adapts to multiple board setups — from recreational to advanced users. Best suited for wave riding, small- to medium-swell conditions and situations where quick changes between quad/thruster/twinzer configurations are desired. Pair with compatible slot-box boards and standard fin screws or hardware for secure attachment; no specialized accessories required.