frame:26-inch four-link aluminum alloy framefront fork:Aluminum shoulder iron legs mechanically lock the front forkBottom bracket:Sealed shaftGear plate:Haomeng AC49 three-level chainringVariable speed:Shimano 21 speedpedal:Half aluminum folding pedalmotor:48V250W/1000W Brushless motorbattery:Built-in 17AH  lithium batterytire:CST 26"*1.95meter:S866 liquid crystal instrumentpower:Five step powerbrake:hydraulic brake, brake offTransmission:TX30 finger pull, TY500 pull before, TZ500 pull afterother functions:Horn light, tail light, cruise control, charging mobile phone bracketnet Weight:25KGTorque: 60N·mEndurance distance:17ah pure electric endurance: 50km, power endurance: 90kmMAX speed:250W:20-25KM/H 1000W: 45-55KM/H frame:26-inch four-link aluminum alloy framefront fork:Aluminum shoulder iron legs mechanically lock the front forkBottom bracket:Sealed shaftGear plate:Haomeng AC49 three-level chainringVariable speed:Shimano 21 speedpedal:Half aluminum folding pedalmotor:48V250W/1000W Brushless motorbattery:Built-in 17AH  lithium batterytire:CST 26"*1.95meter:S866 liquid crystal instrumentpower:Five step powerbrake:hydraulic brake, brake offTransmission:TX30 finger pull, TY500 pull before, TZ500 pull afterother functions:Horn light, tail light, cruise control, charging mobile phone bracketnet Weight:25KGTorque: 60N·mEndurance distance:17ah pure electric endurance: 50km, power endurance: 90kmMAX speed:250W:20-25KM/H 1000W: 45-55KM/H frame:26-inch four-link aluminum alloy framefront fork:Aluminum shoulder iron legs mechanically lock the front forkBottom bracket:Sealed shaftGear plate:Haomeng AC49 three-level chainringVariable speed:Shimano 21 speedpedal:Half aluminum folding pedalmotor:48V250W/1000W Brushless motorbattery:Built-in 17AH  lithium batterytire:CST 26"*1.95meter:S866 liquid crystal instrumentpower:Five step powerbrake:hydraulic brake, brake offTransmission:TX30 finger pull, TY500 pull before, TZ500 pull afterother functions:Horn light, tail light, cruise control, charging mobile phone bracketnet Weight:25KGTorque: 60N·mEndurance distance:17ah pure electric endurance: 50km, power endurance: 90kmMAX speed:250W:20-25KM/H 1000W: 45-55KM/H frame:26-inch four-link aluminum alloy framefront fork:Aluminum shoulder iron legs mechanically lock the front forkBottom bracket:Sealed shaftGear plate:Haomeng AC49 three-level chainringVariable speed:Shimano 21 speedpedal:Half aluminum folding pedalmotor:48V250W/1000W Brushless motorbattery:Built-in 17AH  lithium batterytire:CST 26"*1.95meter:S866 liquid crystal instrumentpower:Five step powerbrake:hydraulic brake, brake offTransmission:TX30 finger pull, TY500 pull before, TZ500 pull afterother functions:Horn light, tail light, cruise control, charging mobile phone bracketnet Weight:25KGTorque: 60N·mEndurance distance:17ah pure electric endurance: 50km, power endurance: 90kmMAX speed:250W:20-25KM/H 1000W: 45-55KM/H frame:26-inch four-link aluminum alloy frame front fork:Aluminum shoulder iron legs mechanically lock the front fork Bottom bracket:Sealed shaft Gear plate:Haomeng AC49 three-level chainring Variable speed:Shimano 21 speed pedal:Half aluminum folding pedal motor:48V250W/1000W Brushless motor battery:Built-in 17AH  lithium battery tire:CST 26"*1.95 meter:S866 liquid crystal instrument power:Five step power brake:hydraulic brake, brake off Transmission:TX30 finger pull, TY500 pull before, TZ500 pull after other functions:Horn light, tail light, cruise control, charging mobile phone bracket net Weight:25KG Torque: 60N·m Endurance distance:17ah pure electric endurance: 50km, power endurance: 90km MAX speed:250W:20-25KM/H 1000W: 45-55KM/H