This is for you. Make sure this fits by entering your model number. High Quality Parts - 20" X 4.0" fat tires for all terrain. Tire size: 20 * 4.0", non-slip, suitable for complex terrain such as snow and sand. Inner tube: 20 × 4.0/4.9. Front and rear disc brakes for safer riding. Provide security for your travel. Battery lock and power lock function. Multi-function LCD operating system, you can charge your mobile phone, and the remaining power and speed can be seen at a glance. 4 WORK MODES - A powerful and cost-effective mountain electric bike. 1. Pedal Assist Mode: When you pedal the bike, the motor will give you moderate power. 2. All Electric Mode: Twist the throttle in whatever power increment you wish to power the bike motor. 3. Pedal Mode: Pedal the bike normally like any bike. 4. Booster Mode: Ebike will travel at 6 km/h (3.73 mph), easy to push. Combining the four modes would be a better choice. Specifications - 48V/13AH removable lithium battery. 500W brushless rear deceleration motor, larger driving force, stronger power, and less effort to climb. Bike weight: 29.8 kg (65.7 lb). Lightweight aluminum frame. Charging time: 6-8 hours. Distance per charge: 23-28 miles (electric only). S900 LCD panel, 48V power display, five-speed cycle display, 6KM cruise control, speed limit can be set, one-key repair function. High-Capacity Removable Battery - With a 48V 13Ah Li-Ion battery, a single charge is sufficient for a day of travel for truly long battery life. Multiple protections, larger capacity, faster speed, stable and strong battery output. The battery is removable so you can take it to your home or office to charge it. Additional Notes - Technical support is available at any time. Each bike has an 18-month warranty against manufacturing defects in materials or workmanship in its frame, battery, motor, controller and display. Original batteries are warranted to be free from defects in materials or workmanship for 18 months from the date of purchase, as follows: fully replaced within the first 12 months, and replacements required within months 13-24 are prorated on this schedule.