Voltage:48V Design:Brushless Wattage:> 400w Motor:Brushless, Dongnan branded, supply by ourself Throttle:Half twist throttle Spoke:2.6mm, 10 gauge Rim:Silver and Black available CNC technology ,Double Rim Brake Levers:Wuxing Branded Warranty:2 years Frame Material:Aluminum Alloy Power:3kw Certification:CE