48V 20Ah large capacity 48V 20Ah power 21700 lithium battery pack,completely hidden in the frame, water- proof and dust-proof, double protection,strong output always stable.Pure electric can reach 70KM, assisted riding can reach 150KM providing sufficient powel output for riding and free riding 48V 750W Bafang motor Bafang 1130W(peak)750W(continuous) 48V 750w high-speed brushless motor light weight. Its interior adopts a star gear design,which can amplify the torque and improve the energy efficiency conversion rate.This is reflected in reducing energy consumption and silent energy consumption while increasing cruising range Large double shoulder oil spring suspension fork The dual oil spring suspension and lockable front fork are used to provide the rider with a stronger comfort experience during a collision.Large potholes and muddy roads with a wheel diameter of 26*4.0 inches can easily pass the speed bump.The tire has a width of up to 10cm, has anti-skid and anti-vibration functions Soft tail rear bile pressure suspension The four-bar linkage structure(front fork of the lower frame front fork of the upper frame, shock absorber joint,650-pound rear oil spring shock absorber) enhances shock resistance and shock resistance and loads the frame Increase to 200kg and provide excellent performance 6061 aluminum alloy frame Rugged design puts safety first the strictly selected aluminum alloy 6061 material after T4T6 heat treatment, has higher strength, corrosion resistance and rust resistance and ensures the support strength of each part. Night lighting 4.5" LED high brightness headlight The 4.5" circular LED headlight has a wider and farther working range, and has a built-in electronic horn, making you safer when riding. The 95-decibel electronic horn reminds pedestrians to drive safely. Specifications Model:RV800 PLUS Net weight:35.5kg (including battery without gifts) Top speed:25km/h（can be unlocked） Motor Power: 48V 750W Bafang motor Torque:70 N.M Grade ability:35° Battery:48v 20Ah (960Wh) Samsung Cell Units Waterproof level: IP54（life waterproof） Mileage: 60 - 70KM(Electric mode ),120 - 150KM(Assist mode) Charger: 48V 3A Charger time: 6-7h Vehicle size:203cm * 45cm * 90-103cm Maximum load:200kg Suitable height:165 - 200cm Frame:6061 aluminum alloy frame Shock absorber:Front oil spring suspension & rear oil spring shock absorber Wheel hub:26 * 4.0 fat tire rubber Handlebar:31.8 aluminum alloy forged handlebar Crank:Aluminum alloy crank 46T crankset Seat:Comfortable sports seats Variable speed:Shimano M310 finger dial＆M310/rear dial Rear gear:7-speed gear Chain:KMC 7s Meter:Color screen LCD meter Brake:Hydraulic disc brakes