High Strength & Lightweight Frame Crafted from aluminum alloy 6082 T6 and weighing in at just 10.8 pound! support loads up to 221 lbs CAE analysis, bench testing, and road trials Smart Battery Maximize your leisure time with quick-swap technology that extends range and features energy recovery for a smarter, more enjoyable ride. Equipped with automotive-grade BMS for precise battery management, ensuring longer lifespan and accurate energy monitoring. The Intelligent systems expertly manages the high-voltage power-on and power-off processes of the entire vehicle, guaranteeing safety and reliability during operation. The battery cell module features a combined design for protection and heat dissipation, ensuring safety and reliability. With a high protection rating of IP67, it delivers exceptional resilience in any environment. Integrated Motor-Gearbox and First-Stage Gear Reduction Adopting a PMSM motor, the integrated motor-gearbox design is tailored for compact efficiency, minimizing gear clearance through a single-stage reduction. This design maximizes space utilization, enhancing the off-road bike's agility and handling on narrow trails. Controller Constructed from aluminum alloy, this system boasts an IP6 waterproof rating. It coordinates onboard charging, battery management, and safety interlocks, offering integrated control and optimized performance for riders focused on safety. From blended regenerative braking to sensor-based operations, it ensures precise control and efficiency, making it ideal for those prioritizing vehicle performance and safety. Basic parameters 0-30 mph: 2 Second Stop Speed: 65 mph Battery: 72v45amh Motor power: 6kw / 16.8 kw Range: 70 miles Ride Hight: 32.48 in Charge Time (20%-90%): 3.5 hour Rotor Size: Front 220/ Rear203 Tire Size: Front 70/100-19 / Rear80/100-17 Suspension: HTW Max Load: 165 - 300 lbs Unit Weight: 150 lbs