SKU: 74247091586

Greenough 4-C Single Fin

Sale price$85.50 Regular price$95.00
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Description

Greenough 4-C Single FinThe Greenough 4 C is one of the most classic, fundamental single fin designs for a longboardever! The man behind this revolutionary fin is George Greenough, whom the surf world is forever indebted to for his wave riding performance innovations beginning in the 60s. Greenough paved the way from traditional logging to more progressive surfing in the pocket through the development of his Velo Spoon kneeboard designs. To complement his kneeboards,

The Greenough 4-C is one of the most classic, fundamental single fin designs for a longboard…ever! 

The man behind this revolutionary fin is George Greenough, whom the surf world is forever indebted to for his wave-riding performance innovations beginning in the 60’s. Greenough paved the way from traditional logging to more progressive surfing in the pocket through the development of his Velo-Spoon kneeboard designs. To complement his kneeboards, Greenough found inspiration from mother nature for his fin templates through studying the tail fins of tuna–one of the fastest and most maneuverable fish in the ocean. The subsequent high-aspect ratio design he created allowed surfers to place themselves in more critical parts of the wave and execute more radical turns; and it ultimately ushered in a new era of high performance capability.

The 4-C is a direct descendant of Greenough’s “Stage 4” tuna fin-inspired designs from the early ‘70s; this iteration was conceived earlier on in the evolution of the Greenough and True Ames collaboration that ultimately led to the 4-A. The 4-C template represents the first step taken in the move away from a traditional pivot fin. Greenough kept the upright nature and minimal rake of a pivot fin, but shaved off a considerable amount of surface area in pursuit of a more high-aspect ratio design. This translates to a higher performance fin that is even more maneuverable, and faster down the line with less drag.

  • Unique design: semi-pivot template but with less area 
  • Works great on all types of longboards 
  • Solid fiberglass construction, flat matte finish
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SKU: 74247091586

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Amazon Customer
Houston, US
★★★★★ 5
Funny story for kids.
Format: Paperback
My son who is 7 years old can’t get enough of this book! It a funny story that any child in his age bracket will enjoy. It was a perfect addition to his Easter basket.
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Reviewed in the United States on May 8, 2021
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Kathryn Reynolds
Charlottesville, US
★★★★★ 5
Quality
Format: Hardcover
Grandson loves books
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Reviewed in the United States on May 15, 2026
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Lindsay L Huntington
Massapequa, US
★★★★★ 5
A book every teacher/parent should read!
Format: Hardcover
I LOVE this book because the "bad seed" reminds me of my son. I don't believe there are any "bad kids" in the world but I'm sure kids look at themselves as bad if that is all they ever hear. I love how this story gives a sympathetic backstory on how he got "so bad" and how he is trying to do better and change his bad ways. Even though my son isn't perfect, he sure does try to do good and his behavior improves when people notice the POSITIVE instead of the negative. I absolutely love the last lines of the book where the other seeds are gossiping (another lesson) saying, "Hey! There goes that bad seed," and another seed sticks up for him and says, "Actually, he isn't that bad anymore." Then the "bad seed" turns around with a smile on his face and says, "I heard that." Moral of the story.....children are always listening. Focus on the positive rather than the negative and a child's self-talk and behavior will drastically improve. My son's 2nd grade year was so negative and he was always getting into trouble. I rarely heard the good and neither did my son. His 3rd grade year was amazing. The teacher really focuses on pointing out his good choices and what a difference that made in my son's attitude toward school. Thank you Jory John for writing this book. I also love the book, "I Love You Already" which teaches readers about friendship, love, patience, loyalty and forgiveness. :)
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Reviewed in the United States on October 2, 2018
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Patty Rosebourgh
New York, US
★★★★★ 5
Kids learn to keep going
Format: Hardcover
Used for read aloud
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Reviewed in the United States on February 18, 2026
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Jamie
Draper, US
★★★★★ 5
The Bad Seed is not so bad after all!
Format: Hardcover
Great little book!
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Reviewed in the United States on December 21, 2025

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