RX is a classic retro fat tire electric bike. It is equipped with standard 48V 400W motor, and the motor can be upgraded to 1000W for stronger power. Multiple 48V lithium battery options: 13Ah, 18Ah, 25Ah and 32Ah, the range covers 20–120km for different travel needs. The frame is built of durable high carbon steel. It uses 20*4.0 thickened inflatable fat tires, matched with spring hydraulic front fork and rear spring shock absorber for smooth riding on rough roads. It has a large LCD display meter to show riding data clearly. The braking system is front and rear metal hydraulic brakes for reliable stopping performance. Max load capacity is 200kg. Limited speed is 25km/h, and the top speed reaches 40km/h after unlocking. Max climbing angle is 30°. Color options: black, white, cyan, alloy red, desert color. Custom color service is available. It is fitted with LED headlight, taillight and brake light. Charger: 48V 2A / 3A, charging time 6–10 hours. Body size: 17363109cm. Packing size: 1723294cm; size after removing front wheel: 1443487cm. Packing weight: 5.9kg.