Engineered for serious trail riders, the Speedframe Pro Defy mountain bike helmet offers pro-level protection with a 5-star Virginia Tech rating, MIPS Air Node impact system, and dual-density Varizorb EPS for superior crash performance. A BOA Fit System ensures a secure, custom fit, while the breathable Ionic+ liner manages sweat, odor, and comfort. With an adjustable visor and built-in sunglass storage, it's a top choice for mountain bikers seeking safety, fit, and function.
MIPS protection system reduces rotational motion by absorbing and redirecting forces otherwise transmitted to the brain
BOA Fit System for micro-adjustability and comfort
