The supplementary small nylon fins positioned on the side of the center fin to track and guide with their main purpose to provide additional grip in waves or for extreme turns.
11.4 x 17CM / 3.9" x 6.7"
Standard fin for Aztron Sirius board
Effortless design. Slide in installation
Locking tab design holds the fin securely in the plate
Durable rugged nylon-reinforced plastic