Pemulis Water & Power

Gato Heroi Fins

Every template profiled. Find the right one for your board.

Yellow Gato Heroi fin on stone
Olive Gato Heroi fin on lava rock
Crimson Gato Heroi fin on stone

One system.

Board and fin as one. Each flex pattern stores and releases energy through turns — tailored to the rocker, outline, and rail of its matching board.

This is a comprehensive buyer's guide for All Gato Heroi surfboard fins to assist you in finding the right fin(s) for your board. The guide includes every Gato Heroi fin model, including A, H, C, T, D, B, F, P, K, RK and OP technical profiles, surf performance tips, and clear board pairing recommendations. Whether you’re upgrading your current setup or buying a Gato Heroi fin for the first time, each section connects you directly to product listings, making it easy to compare options and choose the right fin for your surfing style.

Preface

Robin Kegel’s overall fin and surfing philosophy is rooted in the conviction that surfboards and their fins must operate as a seamlessly integrated system, not as separate components. Deeply influenced by innovators like George Greenough, Robin values the interplay of board outline, rail shape, and fin flex, believing that true surf performance is achieved when all these elements harmonize to enhance speed, flow, and a dynamic connection to the wave. He deliberately moves away from fins as nostalgic accessories or mere pivots, instead seeking to maximize the board’s potential for fluid rail engagement, lively feedback underfoot, and expressive, modern surfing that still respects traditional roots.

In his fin design, Robin applies this philosophy by engineering each Gato Heroi fin with precise flex characteristics, foil profiles, and shape, specifically tailored to unlock the intended performance of its matching board model. Rather than defaulting to stiff or purely retro templates, he experiments with variable flex zones and progressive foiling, so fins can store and release energy through turns, making boards feel quicker, more responsive, and suited to both classic noseriding and new-school maneuvers. This approach means Gato Heroi boards, when matched to Robin’s carefully designed fins, offer a uniquely lively, rail driven ride that rewards committed surfers with both traditional glide and modern maneuverability.

 

Gato Heroi Fins: Buyer’s Guide, Board Pairings & Technical Details

Gato Heroi C Fin

Gato Heroi T Fin

Gato Heroi B Fin

Gato Heroi D Fin

Gato Heroi OP Fin

Gato Heroi P Fin

Gato Heroi F Fin

Gato Heroi L Fin

Gato Heroi Killer Fin

Gato Heroi RK Fin

C Fin

Flexible single fin for performance longboards and midlengths

Speed, projection, energetic rail engagement. Brings logs and midlengths to life with dynamic carving and fast direction changes.

Flex
Progressive, tip loads and releases through turns
Rake
Moderate (tip sits about 4.5 to 5 inches behind base)
Specs
Height 9.5–10 in, base 5.9–6.1 in, 10–11 mm thick at base tapering to 4–6 mm at tip
Boards
Smooth Operator, Dagger, Death Dagger, Double Dagger, Roach, Play Pig, select high-performance midlengths

T Fin

High-speed flex fin for hulls and pocket surfing

Hull-like glide and trim, rapid transitions, ideal for high-speed and pocket-oriented midlength surfing.

Flex
Strong in upper half, springs energy through wraps and cutbacks
Rake
High (tip extends 6+ inches behind base)
Specs
Height 9.5–9.75 in, base 6.2–6.5 in, 13 mm at base down to 5 mm tip
Boards
Playboy, Roach, Space Roach, Acid (Speed Acid, Drop, Egg, 2020), Surfar, Space Pig, Space Pig PG, Falcon

B Fin

Upright pivot fin for classic logs and noseriders

Maximum noseride lift, smooth pivots, stable and forgiving feel.

Flex
Low, stiff for control and stability
Rake
Low (tip set about 3 in behind base)
Specs
Height 9.5–10 in, base 6.6–6.8 in, 14 mm base to 7 mm tip
Boards
Californian, Playdate, Fat Cat, Creme logs, any classic wide-tail log

D Fin

Classic D-style pivot for vintage log surfing

Pure pivot and heavy tip lift, anchors tail for vintage noseriding and slowed-down style.

Flex
Minimal, extremely stiff
Rake
Zero (tip sits directly above base)
Specs
Height 9.5–10.25 in, base 7.2–7.5 in, 15 mm base to 8 mm tip
Boards
Operator, Play Pig, Fleur (traditional builds)

OP Fin

Squaretail upright fin for speed and drop-knee turns

Upright for fast release from the tail, snappy drop-knee-style turns, classic speed.

Flex
Moderate, controlled and lively
Rake
Low to moderate
Specs
Height 9.5–10 in, base 6.3 in, 12–13 mm base, 6 mm tip
Boards
Killer, Chop Op, squaretail Operator variants

F Fin

Raked fin for modern pigs and classic progression

Balanced looseness with drive, allows modern turning while maintaining classic stability and trim.

Flex
Progressive, smooth flex through tip
Rake
Moderate (tip about 5 in behind base)
Specs
Height 9.5–10 in, base 6.5 in, 12 mm base, 6 mm tip
Boards
Fleur, Play Pig (modern setups)

L Fin

Versatile log fin for balanced maneuverability

Well-balanced blend of noseride lift and flowing rail-to-rail transitions. Confident tip time with enough release for smooth direction changes.

Flex
Moderate, with a stiffer base and a touch of tip flex for stability and lively feel
Rake
Moderate, providing a sweet spot between pivot and drawn-out turns
Specs
Height 9.5–10 in, base 6.5–6.8 in, 12–13 mm thick at base tapering to 6 mm at tip
Boards
Classic and modern Gato Heroi logs, Playdate, Fat Cat, Fleur, custom wide-tailed noseriders

Killer Fin

Upright squaretail fin for speed and drop-knee precision

Extremely upright for crisp tail release, fast transitions, and powerful drop-knee pivots.

Flex
Moderate, controlled yet lively
Rake
Low to moderate
Specs
Height 9.5–10 in, base 6.3 in, 12–13 mm base, 6 mm tip
Boards
Killer, Chop Op, squaretail Operator

RK Fin

Robin Kegel's signature fin for progressive single-fin surfing

Powerful but responsive, quick pivots, crisp transitions, and advanced rail surfing.

Flex
Moderate to strong in tip, snappy and dynamic
Rake
Moderate (tip just behind base)
Specs
Height 9.75–10 in, base 6.0–6.25 in, 12 mm base to 5 mm tip
Boards
RK signature series, limited Gato Heroi logs and hulls, Smooth Operator, high-performance customs

P Fin

Maximum hold fin for power and big boards

Deep hold and drive, powerful control for big boards and challenging surf.

Flex
Low, very stiff
Rake
Low to moderate
Specs
Height 10.25 in, base 7 in, 14 mm at base, 7 mm tip
Boards
Double Dagger, Surfar (when max hold is needed), select custom hulls

H Fin

Skinny pivot for light logs

Narrow pivot template — loose turns with nose hold. Designed for 1960s-style lightweight boards where you want to lock the tail for noseriding but still redirect quickly in the pocket.

Flex
Moderate, responsive
Rake
Low, upright
Specs
Height 10 in, skinny pivot template, volan construction
Boards
Lightweight logs, 1960s-style boards, narrow-tailed noseriders

A Fin

Refined performance fin for midlengths

High aspect ratio — taller and narrower than traditional templates. Narrow base reduces drag for smooth transitions between turns while maintaining control through committed rail engagement.

Flex
Progressive, performance-oriented
Rake
Moderate to high
Specs
High aspect ratio, narrower base than traditional templates
Boards
Performance midlengths, high-aspect setups, intentional rail surfing boards
Browse all Gato Heroi fins →
Updated December 2, 2025

Your Cart

Your cart is empty