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Boost Surfing

4.5 (123)

Boost Fin Double Adapter

Name: Boost Surfing Boost Fin Double Adapter - Boost Fin Double Adapter
Brand: Boost Surfing
SKU: 51804404220222
Price: 89.99 USD
Availability: InStock
Rating: 3.3333 (2 reviews)

4.5 (1,234)

Sold 100+ last 30 days

20% off first order

$89.99

Quantity

Color

Black

Quantity

Description

Install two Boost Fins on your board with the Double Adapter. Get double the thrust to ride farther, carry more gear, and power through headwinds and currents.

Reviews

3.3

3 ratings

Mounted the adapter to my 9’ Mega Magic board. Needed to use longer screws to secure the adapter base to the fin box. Also needed to remove the flanges on each side. Haven’t been able to give the board a test run because one of my double fins wasn’t working and is currently being repaired/replaced. Hope to have the fin repaired soon.

James · August 24, 2025

Well-made, easy to install with good instructions. Love it,

Tom · September 12, 2025

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Boost Surfing

4.4 (396)

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Description

Install two Boost Fins on your board with the Double Adapter. Get double the thrust to ride farther, carry more gear, and power through headwinds and currents.