Foldable Size：35.9in 34.3in. Bike Type: Folding Electric Mountain Bike. Mileage Range:Electric Mode (32miles) - Pedal Assist Mode (50miles). Battery:48V/7.8Ah Lithium Ion Battery. The front and rear disc brakes can perform progressive braking under any terrain, and the perfect braking system can fully protect your safety even under severe steep slopes.