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https://electricbikereview.com/haibike/sduro-hardnine-4-0/ An affordable bike from a premium brand, no compromises for safety and function. On light-weight trails feels just like other bikes at half the price. A very usable mountain bike with name brand frame, mechanical and electrical components. Perfectly powerful Yamaha system with the same motor, battery and charger you’ll find on most SDuro Haibikes: Stable battery connector, 500w peak motor output and auto-shut-off charger can be used on or off the bike. Hydraulic disc brakes, 100mm travel front fork, 29er tires and a 9 speed Shimano gear set can open lots of trails to the otherwise casual rider. Knobby tires and the forward seating position help the rider to catch grip on loose terrain. Recommended for road or light-duty trail use, as heavy trails and especially steep descents will be difficult to manage on account of the components and physical size of the bike.
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