Bike Model E100 Pedelec MTB Electric Parameters Specification Optional Version Battery Internal / Battery External Riding Mode Electric Power Assist (5 Shifts) Wheel Size 27.5" Pure Human Riding (11S) Frame Height 17" Endurance Mileage 100-180KM, Battery External Bike Color BlackRed / BlackClaret / BlackYellow 60-110KM, Battery Built-in Net Weight 18.5KG(Battery Built-in), 19.5 KG(Battery External) Assist speed Max 40KMH Frame E100,High-modulus Carbon,All Internal-cable Max Load 150 KG Handelbar Sets Alu alloy&Matte,HB31.8*680,ST90,SP31.6*350mm Battery(internal) LG-18650 Power Lithium,36V10Ah Clamps Alu alloy,Single screw lock 34.9mm Battery(external) LG-18650 Power Lithium,36V13Ah Fork TW MgAl alloy,Air suspension,Remote-Lockout Full charging Time 4-6 Hours Head Sets Alu alloy CNC with sealed Bearings 42-52mm Charging Times >1000 Times Washer Carbon 3K, 3×28.6×10mm Charger Overvoltage,Overcurrent protection,etc. Derailleur Lever SHIMANO XT/M8000-11 Speeds ShortCircuit,ReversecConnection Protecte Front Derailleur None Motor BJORANGE,Coaxial Mid Drive,36V250W Rear Derailleur SHIMANO XT/M8000 DC Brushless,Low resistance&noise Cranksets Alu alloy AL7075,CNC,36T Max Torque 80 N.M Cassettes SUGEK-11S,11-40T Waterproof Grade IP65 Chain YBN-11S Controller 5 Shifts intelligent Power Assist control BB Matching with Mid Motor Sine wave instrument control Brake SHIMANO MT200 hydraulic Brake+RS floating Disc Independent integrated IC control chip Hub RS Alu alloy,4-Bearings,Slotted,32Holes Monitor BJORANGE,LCD digital display Rim Alu alloy with Double wall&Rivets,W24×H19mm Display Function MPH,Miles,Electricity,Shift,Failure,etc Spoke SHUNJIU Circular 14G,bend-Head Setting Function Mileage cleared,Wheel size,etc Tire MAXXIS-PACE, 27.5"×2.1 Waterproof Grade IP65 Grips Circular 22.2×120mm,PU Leather&Locking Ring Assist Sensor Velocity type Assist,Built-in motor Saddle Light and Comfortable for MTB Brake power off Off when stop pedaling,Integrated Pedals RS Alu alloy CNC with sealed Bearings for MTB Speed sensing External speed Sensor to Wheel Cables JAGWIRE Wire connector Waterproof quick connector Accessories Tools Wire routing Internal in Frame