
The Bell Moto-9S Flex Helmet introduces an innovative protective technology to Bell's flagship dirt helmet. Featuring a first-of-its-kind three layer impact liner, the Bell Moto 9 Flex Helmet provides impact protection through varying methods for specific impact speeds. This " Progressive Layering Technology Bell "Flex" Progressive Layering Technology is a first-of-its kind, three-layer impact liner designed to manage energy from three potential impact scenarios: low, mid and high-speed. A “slip zone” within the impact liner allows for subtle movement between the inner layers and works to reduce rotational energy transfer from angular impacts to the rider. While also aiding fit, comfort and ventilation, Bell Flex Technology significantly reduces the likelihood of serious brain injury. " has been developed to manage energy from three potential impact scenarios - low, mid and high. The three layer system consists of (EPO) Expanded Polyolefin which works hand-in-hand with the traditional (EPS) Expanded Polystyrene and (EPP) Expanded Polypropylene.
In addition to this leap forward in terms of protection, the three layer system also provides an adaptive fit as the segmented construction automatically conforms to a rider's head for a better fit and more predictable energy management.
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