6061# alloy frame, Double Wall Alloy tire circle, front V brake, rear rising brake, alloy front hub, forging suspension front fork, Alloy adjustable handlebar stem with gears, alloy handle, alloy retroflex saddle tube, alloy adjustable rack, middle parking rack, Alum-plating electric mudgurads, alloy cranks, 1.95 tires. SHIMANO 6-speed chains linker, SHIMANO gearlever, spring saddle, 160W high-speed wheel hub motor, 24V.10AH Li battery, intelligent meterplate, LED front and rear lights, 3-grade Electric Assist Driving System(（1st,Bike；2nd,1:1 Standard Riding Pull-assist; 3rd,Strong Pull-Assist） 6-grade Manual speed changes,1.8A NiMH Battery charger（CE Approval）Alloy Power-cut Brake handle Driving Mode: Electric Pedal with Assistance Weight: 24KG(battery included) Frame: Alloy 6061# Tire circle: Alloy 6061# OD of Wheel: 26’’ Motor: 160W/24V, rear wheel driving Battery: 24V/10AH NiM-H Continuous Distance: 40~45KM Charger: 220V/1.8A Electric Display: 3-grade Brakes: dishing Derailleurs: 6-grade speed changes