Pay in 4 interest-free payments of $7.40 Learn more
Ships within 48 hours · Estimated delivery Aug 16 - Aug 21
The Pro Speak Evo is equipped with Bluetooth A2DP that allows to listen in high quality stereo
Do not mash down on hard gears
actual pricing depends on volume and complexity
The existing objective impact data comparing helmet models are either limited to standards testing or only evaluate a relatively small subset of helmets on the US market.1,3,26,40 While most helmets are designed with similar materials, typically including a polycarbonate shell and expanded polystyrene (EPS) liner that permanently crushes to absorb energy upon impact, the many possible styles of bicycle helmets produce wide ranging design features, and previous research has demonstrated considerable differences in the ability of commercially-available helmets to reduce head injury risk.1,3,26,40 To help reduce incidence of concussion in cycling and to stimulate improved helmet design for both mild and severe injury, consumers should have access to biomechanical data differentiating helmet performance that is informed by real-world cyclist impact conditions and injury mechanisms
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