X-Treme Trail Maker High Performance Electric Bike 20 MPH Top Seed & 20-25 Mile Range - Smart Charger Included Light Weight Aluminum Alloy Frame - Lifetime Tech Support from X-treme Shimano Tourney 7 speed Gears - Shock Abrorbing Front Shocks & Seat Post Lithium Ion LiFePO4 Battery - 24v - Pedal Assist & Twist Throttle Powerful 300 Watt Rear Hub Motor w/ Quick Disconnect for Tire Changes