Used DetailsBrand: Rockrider ConvertedModel: ST530Brakes: HydraulicCondition: Used like newType: HybridWheel Size: 27.5 in.Material: AluminiumBicycle Type: Electric BikeBattery: Lithium Ion 17.5AhPower: 250-350 wattsGears: 9*1Pedal assist: YesThrottle: YesMobile Holder: YesMaximum rider weight 120kg21 inch frame size.Range in pure electric mode: 35-45milesRange in electric assist mode: 60-75milesThis amazing beauty is a treat to ride and pleasing to eyes. Rock solid. It is my passion and hobby to build these bikes.It has been fully tested. This economical Eike practically has everything you need. The bike could be used for coasting as well as for Power assist mode. Powerful li-Ion 17.4Ah battery to last for long use. All in all it worth every penny.Buy with full peace of mind and enjoy with no worries.