surfboard fins for better wave engagement-Maui Ultra Fins Thruster Fin Set

Center Fin 18 19 20 21 22
Side Fins 10 11.5 12.5 13.5 14.5 15.5
Qty:

This is the most popular thruster set from Maui Ultra Fins combining X-Wave for the main center fin and X-Tri for the side fins.  

To pick your configuration, use the chart to the left.  First find your board size. You will then find 2-3 combinations of fins that are recommended.

For an 85 liter freewave board:

  • 18 & 12.5cm for best wave performance
  • 19 & 11.5cm for all around performance
  • 20 & 10.0cm for most drive in onshore/backside/bump & jump performance
  • please specify fin box type in the comments of your order (US, Slot Box, Mini Tuttle)
  • Some configurations will be special ordered and take 1-2 weeks for delivery

Please note, other configurations can be ordered/substituted

  • for smaller volume boards, substitute a single X-Twin for the center fin
  • X-Tri-S and X-Wave-S swept fins for weedy conditions.