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On impact, the layers of the WaveCel material move independently and flex until the cell walls crumple and then glide, actively absorbing direct and rotational energy and redirecting it away from your head

Drivetrain aside, its nice to have throttle on demand so you dont have to pedal at all to get the Sand Viper moving, just twist and go

Activities like backpacking or long-term travel will likely require that you pick up a separate bag

While not the lightest helmet available, it balances protection and comfort well

Relying on felt or fiber washers impregnated with a lubricant, wet systems require a bit more start up inertia and on longer runs, can produce a bit of an inconsistent feel as washers heat up from friction