Since entering the sport of kiteboarding I have purchased multiple number of Slingshot kites and although the kites perform as advertised one constant and dangerous problem is valve failure. Though the years I have tried all of Slingshot's solutions to no avail.I also have found in speaking with other kiters that they also have had this constant problem with Slingshot kites.It baffles me how a company produces a product that it's safety is undermined by the least costly parts of the product. For this reason I can hi longer purchase or recommend Slingshot kites. read more