SUP - Paddleboard Adapter - US Fin Box (J-1 Motors)

Current Stock:
Adding to cart… The item has been added

This Plug and Play Adapter allows you to change your paddleboard fin for a Bixpy Power Fin in seconds.

The Paddleboard Adapter - US Fin Box works on most hard paddleboards and some inflatable paddleboards and inflatable kayaks.

Make sure that you are getting the right Bixpy adapter for your watercraft on


Click here for the Slide & Lock Fin adapter 
Click here for the Flip & Lock Fin adapter


  • Paddleboard WillFit™ Adapter - US Fin Box
  • All hardware required
  • Wire to run to your Bixpy Bixpy Outboard Battery
  • Instruction card


  • Adapter: Replaces your existing middle fin on your standup paddle board
  • Cable length from motor connector end to battery connector end: 4.3 feet (1.3 m)
  • Motor draft: 9" (23 cm)
  • Protection: Water-proof, dirt-proof and corrosion resistant housing and components
  • Water use: Marine grade stainless steel components for salt water or fresh water use


Click here for installation guides and videos

Video Gallery