Specifications: Frame:27.5-inch four-link aluminum alloy frame Front fork:Gold aluminum alloy hydraulic 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 17.5AH lithium battery Tire:CST 27.5"*2.4inch Meter:S866 liquid crystal instrument Brake:Hydraulic brake, brake off Power:Five step power Transmission:TX30 finger pull, TY500 pull before, TZ500 pull after Other functions:Horn light, tail light, cruise control, charging mobile Phone bracket Net Weight:27KG Torque: 90N·m Endurance distance:17.5ah pure electric endurance: 80-90km, power endurance: 100-120km MAX speed:250W:20-25KM/H 1000W: 45-55KM/H Specifications: Frame:27.5-inch four-link aluminum alloy frame Front fork:Gold aluminum alloy hydraulic 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 17.5AH lithium battery Tire:CST 27.5"*2.4inch Meter:S866 liquid crystal instrument Brake:Hydraulic brake, brake off Power:Five step power Transmission:TX30 finger pull, TY500 pull before, TZ500 pull after Other functions:Horn light, tail light, cruise control, charging mobile Phone bracket Net Weight:27KG Torque: 90N·m Endurance distance:17.5ah pure electric endurance: 80-90km, power endurance: 100-120km MAX speed:250W:20-25KM/H 1000W: 45-55KM/H Specifications: Frame:27.5-inch four-link aluminum alloy frame Front fork:Gold aluminum alloy hydraulic 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 17.5AH lithium battery Tire:CST 27.5"*2.4inch Meter:S866 liquid crystal instrument Brake:Hydraulic brake, brake off Power:Five step power Transmission:TX30 finger pull, TY500 pull before, TZ500 pull after Other functions:Horn light, tail light, cruise control, charging mobile Phone bracket Net Weight:27KG Torque: 90N·m Endurance distance:17.5ah pure electric endurance: 80-90km, power endurance: 100-120km MAX speed:250W:20-25KM/H 1000W: 45-55KM/H Specifications: Frame:27.5-inch four-link aluminum alloy frame Front fork:Gold aluminum alloy hydraulic 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 17.5AH lithium battery Tire:CST 27.5"*2.4inch Meter:S866 liquid crystal instrument Brake:Hydraulic brake, brake off Power:Five step power Transmission:TX30 finger pull, TY500 pull before, TZ500 pull after Other functions:Horn light, tail light, cruise control, charging mobile Phone bracket Net Weight:27KG Torque: 90N·m Endurance distance:17.5ah pure electric endurance: 80-90km, power endurance: 100-120km MAX speed:250W:20-25KM/H 1000W: 45-55KM/H Specifications: Specifications: Frame:27.5-inch four-link aluminum alloy frame Frame:27.5-inch four-link aluminum alloy frame Front fork:Gold aluminum alloy hydraulic front fork Front fork:Gold aluminum alloy hydraulic front fork Bottom bracket:Sealed shaft Bottom bracket:Sealed shaft Gear plate:Haomeng AC49 three-level chainring Gear plate:Haomeng AC49 three-level chainring Variable speed:Shimano 21 speed Variable speed:Shimano 21 speed pedal:Half aluminum folding pedal pedal:Half aluminum folding pedal Motor:48V250W/1000W Brushless motor Motor:48V250W/1000W Brushless motor Battery:Built-in 17.5AH lithium battery Battery:Built-in 17.5AH lithium battery Tire:CST 27.5"*2.4inch Tire:CST 27.5"*2.4inch Meter:S866 liquid crystal instrument Meter:S866 liquid crystal instrument Brake:Hydraulic brake, brake off Brake:Hydraulic brake, brake off Brake:Hydraulic brake, brake off Power:Five step power Power:Five step power Transmission:TX30 finger pull, TY500 pull before, TZ500 pull after Transmission:TX30 finger pull, TY500 pull before, TZ500 pull after Other functions:Horn light, tail light, cruise control, charging mobile Phone bracket Other functions:Horn light, tail light, cruise control, charging mobile Phone bracket Net Weight:27KG Net Weight:27KG Torque: 90N·m Torque: 90N·m Endurance distance:17.5ah pure electric endurance: 80-90km, power endurance: 100-120km Endurance distance:17.5ah pure electric endurance: 80-90km, power endurance: 100-120km MAX speed:250W:20-25KM/H 1000W: 45-55KM/H MAX speed:250W:20-25KM/H 1000W: 45-55KM/H