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.
