Sustainable Double Tab Rapid Fin (small)

19,90 incl. VAT

  • RIVER SURFING – Center fin in a thruster setup specially designed for river surfing or the citywave
  • MADE IN GERMANY – Developed and produced in Germany
  • COMPATIBLE – Fits with any surfboard with FCS double tab plug system
  • DURABLE – High-quality recycled fiberglass reinforced plastic – Sourced in Germany

In stock

eisbach riders

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EISBACH RIDERS Sustainable Rapid Knubster

The Eisbach Riders knubster center keel fin can be used as center fin enhancement in a quad-set-up or as the third fin in a thruster configuration, especially for river surfing or the citywave. The fin design is suited for any waves as well as for river surfing.


The development and production are done completely in southern Germany using the latest technologies for molding injection. The fins are made of recycled waste material from the car industry to reduce the carbon footprint of the production. This contributes to the efforts of Eisbach Riders to protect the environment as part of the 1% for the Planet community.



  • Configuration: Rapid – 2-fin setup + knubster center fin
  • Color: black
  • Material: Recycled Fiberglass reinforced plastic – Sourced and made in Germany
  • System: FCS plug system
  • Size: small – 1.8”
    • Height: 4.57 cm (1.8”)
    • Length: 10.16 cm (4.0”)



1x Knubster Center Keel Fin


Eisbach Riders

Eisbach Riders is a surf brand from Munich, Germany that specializes in surf equipment and accessories. Their products cover surfboard fins and leashes for river surfing, stand-up paddling (SUP) as well as kitesurfing. Their focus is to provide sustainably packaged and affordable products so you can feel good about jumping back into the water.
eisbach riders