Eunorau Defender-S Electric Fat Tire Mountain Bike Motor: Front and Rear 48V 750W BAFANG Fat Tire Motors with 80 N.m torque each Battery Range: Over 80 Miles (48V 17Ah SAMSUNG Cells + Optional Second 17Ah Battery) Battery Charging Time: 4 to 6 hours Battery Type: Lithium-Ion SAMSUNG Cells Battery Capacity: 48V 15Ah with optional dual battery design Frame: Aluminum Alloy 6061 Full Suspension Maximum Speed: 15.5 mph (25 km/h) under speed limit/locked conditions Fork: RST GUIDE with 75mm travel Shock: KS 582, 165mm Box Dimensions: (cm) 170 L x 32.5 W x 85 H Throttle: Thumb throttle for easy acceleration Display: New C3 Colorful Display with Front/Rear Motor Switch Headlight: Front LED headlight Taillight: Yes Rear Rack: No Fenders: No Rims: 26-inch black alloy Spokes: Stainless steel Tires: KENDA Sport Tires 26 x 4.0 Gear Shifting: SHIMANO Altus/Alivio 9-speed Shifter: SHIMANO Altus/Alivio 9-speed Sprocket: 44T aluminum chain wheel with protection Brakes: EUNORAU design hydraulic disc brakes (Front and Rear 180mm) with motor cut-off sensor in brake handles Handlebar: Adjustable stem for comfort - Matte Black Saddle: Comfortable saddle Pedals: High-quality nylon pedals Manual: Included Tool: Included Note: All our bikes are limited to a speed of 15.5 mph/25 km/h for on-road legal use. Riders may unlock the speed limit on the display for off-road use. Eunorau is not liable for any illegal use of bikes configured outside of legal parameters.