Powerful 750W brushless motor. The F6 electric bike is equipped with a 750W high-speed brushless motor, which has stronger climbing power and provides enough power for your daily commuting or mountain climbing. The F6 electric bike has a 48V18Ah large-capacity battery. Equipped with a 48V18AH battery, it can last 38-40 miles when fully charged, and 58-62 miles in pedal-assist mode, which is enough for a day's daily commuting and adventure needs. Max speed is 15 MPH. Detachable battery design, detachable for separate charging or direct charging. The highly elastic aluminum alloy front fork and shock-absorbing seat tube can effectively avoid large bumps, prolong the service life of the bicycle, and make riding easier and more comfortable. Pair it with a Shimano 7-speed shifter to take your riding speed to the next level. 20" x 4.0" fat tire, non-slip and wear-resistant, whether it is gravel, trail, beach, or snow, it can take you anywhere.