

| Item | value | 
| Place of Origin | zhejiang China | 
| Brand Name | OTMAR | 
| Model Number | OTM-A4 | 
| Gears | 9 speed | 
| Range per Power | 31 - 60 km | 
| Frame Material | Aluminum Alloy | 
| Wheel Size | 27.5"/29'' | 
| Max Speed | 30-50Km/h | 
| Voltage | 36V/48V/52V | 
| Power Supply | Lithium Battery | 
| Braking System | Disc Brake | 
| Torque | 80-100 Nm | 
| Charging Time | >3 hours | 
| Motor position | Mid Motor | 
| Battery Position | down tube battery | 
| Battery Capacity | 15AH /17.5AH/20AH | 
| Tire Width | 27.5*2.1/ 29'' | 


















 
                    









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