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With flexible carbon fiber tips, the Futures QD2 4.0 Blackstix 3.0 Quad Rear Fin Set is light and full of energy. Combine it with any Futures thruster front fins to add versatility to your board.
Blackstix Construction – Blackstix construction has a flexible Carbon Fiber tip that loads up and releases energy for generating speed when you need it. These are the lightest fins in the Futures line.
Rear Fins – Height: 4.05" / Base: 3.87" / Area: 11.67" / Foil: 80/20
Ride Number 8.2 / 10 – Ride Number is all about how your equipment feels while you're surfing. Now you can choose a Speed Generating Feel that is springy and responsive by picking a fin in the 10-7 range, or a solid, engaged, and predictable feel from the Speed Control category rated 4-1. For a Balanced feel try a Ride Number of 7-4.
2 Fins