NIU upgraded the 200F over the previous KQi 2 Pro with several meaningful tweaks. The most obvious is the set of new foldable handlebars that not only make the bars wider while riding for more ...

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The HappyRun G70 is a striking electric cargo bike designed for families and adventure seekers alike. Built in a moped-style frame with a powerful 1000W motor (2000W peak), dual 48V batteries, and ...

Accurate assessment of mobility is of great significance for disease diagnosis and rehabilitation guidance. In response to the needs of hemiplegic patients (HPs) for accurate quantitative assessment ...