У вашего броузера проблема в совместимости с HTML5
http://electricbikereview.com/eflow/e3-flight/ The less expensive version of the E3 Nitro skips the head-shock and only offers 10 speeds vs. 20 with just one chain ring on the front. It also features a slightly smaller battery pack at 11 amp hours vs 13 but it saves you $500.