Futures Fins R4 Blackstix Thruster Fin Set Blue S
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Futures R4 Blackstix, Built to Generate Speed
The Futures R4 Blackstix Thruster Fin Set features a V2 inside foil designed to generate and maintain speed throughout your turns, part of Futures' Rake template category built around drawn-out lines and drive.
Blackstix Construction
Blackstix construction pairs a precision carbon and fiberglass matrix with a specialized epoxy resin, an approach built to keep the fin very lightweight while still delivering a responsive feel that makes a board feel livelier underfoot. Futures gives this set a Speed Generating ride rating, reflecting that focus on maintaining speed through turns.
Who This Fin Set Is For
A Rake template fin like this suits surfers who want drawn-out drive along with a speed boost coming out of turns, rather than a loose, pivoty feel. Futures classifies this Small fin for riders in the 48 to 70 kilogram range, so match that to your own weight before ordering.
Setting Up and Caring for Your Futures Fins
Futures fins install into a Futures fin box system and lock in with the included screws. Hand tighten until snug, back the screws out before long-term storage so the fin box threads do not seize, and rinse the fins with fresh water after each session to clear salt and sand from the box.
Built Around Blackstix Technology
Blackstix is Futures' name for this carbon and fiberglass matrix, epoxy resin construction, engineered specifically to keep the fin light while its V2 inside foil keeps generating speed through your turns.
Why Buy From Island Water Sports
Island Water Sports has served South Florida surfers since 1978, and our team can help confirm your board's fin box compatibility and the right size before you order.
Free Shipping, No Minimum for IWS Beach Club Members.
Returns are eligible within 30 days of receiving your order. Return shipping labels are FREE for IWS Beach Club Members. See more
Specifications
- Brand
- Future Fins
- Product
- Futures Fins R4 Blackstix Thruster Fin Set Blue S
- Gender
- Unisex
- UPC
- 815681025293
- MPN
- 4636-470-00
- Feature
- Template Category | Rake (drawn out/drive)
- Feature
- Construction | Blackstix
- Feature
- Ride Number | Speed Generating-8.3
Frequently Asked Questions
- What is Blackstix fin construction?
- Blackstix pairs a precision carbon and fiberglass matrix with a specialized epoxy resin, built to keep the fin very lightweight with a responsive feel.
- What does the V2 inside foil do?
- The V2 inside foil is designed to generate and maintain speed throughout your turns.
- What size rider is this fin set for?
- This is the Small size, which Futures classifies for riders in the 48 to 70 kilogram range.
- What does the Speed Generating ride number mean?
- Futures rates this fin's ride number as Speed Generating, reflecting the V2 inside foil's focus on producing and maintaining speed through turns.
- What riding style is a Rake template best for?
- Rake template fins are built around drawn-out lines and drive, suited to surfers who want that drive combined with the extra speed generation Blackstix construction provides.
- What is a thruster fin setup?
- A thruster is the standard three-fin configuration, a center fin plus two side fins, used on most shortboards and performance surfboards.


