Appropriate maintenance involves reconditioning of the helmet at the least every two (2) yrs by NOCSAE Certified Reconditioner working with only new manufacturing unit replacement liners while in the reconditioning method. Evidence of any of the following conditions will function to void this warranty: Signs or symptoms include things like: https://riddellspeedflexadultlarg41680.bloggazzo.com/30083530/about-riddell-speedflex-adult-large