X-Off/RidingOur front fin for looseness and speed. If you're getting all the grip and drive you need from the rear fins, this is a great front fin for loosening up your quad. Test winner.Flex: MEDIUMSizes 6,8,10cm all heads.
K4 Shark Tooth (Front)
To keep your K4fins looking clean and shiny it does them no harm at all to go in the dish washer every now and then. This is highly recommended.
Minor nicks and scrapes can be easily sanded out with 240 or 400 wet and dry.
Major damage can be trimmed or scraped smooth with a sharp knife.