5.5" Performance Box Thruster

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The 5.5” Box Fin and 4.64" side fins are designed for progressive longboarding and stand up paddle boarding. That provides the drive & bite of a thruster but still allows for nose-riding.

Compatible with Box Fin System 

Compatible with FCS Style Fin Systems: FCS ll | X-2 | Fusion


Box Fin: Green, Black and Carbon Base | Side Fins: Black and Carbon Base


5.5" Performance Box Fin
Base: 122mm | 4.8"
Depth:  140mm | 5.5"


4.64" Performance Side Fins
Base: 116mm | 4.56"
Depth: 118mm | 4.64"