Lost Surfboards RNF 96 Lightspeed

The Lost Surfboards RNF 96 Lightspeed is not a nostalgia piece. It is the surfboard that Mayhem built for Chris Ward and Cory Lopez in the lead-up to the 1997 film 5'5" x 19 1/4", obsessively refined across 25 years of board building, and now produced in a lightweight construction that makes the original idea faster and more responsive than it ever was on a hand-shape.

What Is the RNF 96?

RNF stands for Round Nose Fish. The '96 designates the specific year the design locked in: the fish template that Lost developed for competitive-minded surfers rather than the wider, kneeboard-derived outlines most fish were copying at the time. Mayhem's outline was rooted in the high-performance twin fins of the late 1970s and early 1980s, with a relatively pulled-in tail that generates control and release across a broader range of wave size than a classic fish can manage. The result is a shortboard that happens to be a fish, not a fish that has to apologize for not being a shortboard.

Outline and Rocker

The nose and tail widths at 12 inches from each end are intentional and matching, a defining characteristic of the original design. Where most fish templates use a wide, parallel tail that limits off-the-tail precision, the RNF '96 brings the tail width closer to what you would find on a high-performance shortboard. That narrower tail gives the board a pivot point and allows the rider to drive turns rather than simply redirect momentum. The rocker curves are engrained to the original proven lines, low enough to generate speed in small and weak surf while carrying enough lift through the mid-section to handle the moment when a wave stands up and gives you something to work with.

Bottom Contours

The RNF '96 runs a classic single concave entry that transitions to a double concave through the fins, then exits through an accelerating vee combination off the tail. This sequence is one of the defining elements of the original design and carries over without compromise. The single concave channels water and builds speed; the double concave splits flow into each fin box and generates lift; the vee loosens the tail and allows the board to pivot and release at the end of a turn. These three elements working together are what give the board its reputation for drive combined with maneuverability.

Twin-Fin Configuration

The RNF '96 Lightspeed is a twin-fin design. Two fins, no center box. Twin fins draw their power from the way each fin works independently to accelerate water off the tail, producing a flowing, skate-like sensation that a thruster setup cannot replicate. The drive comes from leaning into a bottom turn and feeling the board release down the line; the looseness comes from the way a twin pivots through a cutback or snaps off the lip with minimal resistance. For the RNF '96, the twin setup is not a stylistic choice, it is the design working as intended.

Lightspeed Construction

The Lightspeed build brings a notable reduction in overall weight compared to a standard polyurethane and polyester construction. A lighter board accelerates faster, responds more immediately to rail-to-rail transitions, and feels livelier underfoot in the small-to-medium surf where the RNF '96 does its best work. The construction is designed to complement the design rather than alter it; the rocker, outline, and contours are the same board, with a livelier, more reactive feel from the reduced swing weight.

Wave Range and Who It Suits

The RNF '96 Lightspeed was built for waist-to-overhead surf, with a strong bias toward the smaller end of that range where most surfers spend most of their time. Weak, mushy, or gutless conditions that make a standard shortboard feel dead are exactly where this board finds grip and speed. It can handle a solid overhead wave if the rider has the skills to manage the pivot of a twin fin in steeper conditions, but its sweet spot is the kind of surf South Florida produces on a regular basis: knee-to-head-high, offshore-groomed or slightly crumbly, with room to draw out a line and generate speed from the bottom.

Intermediate and advanced surfers who are comfortable on a shortboard and want more speed and flow without stepping onto a longboard will find the RNF '96 natural from the first session. Surfers who learned on fish-style boards and are looking for something with sharper tail response and more off-the-lip potential will find the pulled-in tail and twin-fin setup a clear step in that direction. The Lightspeed build rewards progressive surfing; it is not a board that asks you to slow down.

The Lost Surfboards Legacy at Island Water Sports

Island Water Sports has carried Lost Surfboards for years, and the RNF '96 is one of the models that defines why the brand matters. Mayhem designed this board from lived experience, shaped it for two of the most dynamic surfers of their generation, and then spent two and a half decades refining it until he was confident it could perform at and above expectations for surfers of a wide skill range. The Lightspeed version is the most current expression of that work.

Questions about which size is right for your weight, ability, and the waves you surf most? Call us at 954-427-4929 or use the variant selector on this page to browse the sizes we have on hand.

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