1. Frame: High-carbon steel  
2. Front fork: Ordinary front fork  
3. Motor: 20*2.125; 350W  
4. Controller: 48V6G17A module  
5. Battery: 48V20AH lithium battery  
6. Instrument: Ordinary instrument  
7. Brakes: Front disc brake; Rear disc brake  
8. Packaging method: Single carton packaging  
9. Customer's actual configuration: 48V/3AH battery charger  
Theoretical cruising range: 70km