Tyre Size:26� Motor:250W Geared Brushless motor With pedalingassistant system(PAS) Battery:24V,8AH Ni-MH or 36V,10AH, Li-ion Maxrange:30/60KM(PAS mode) Max loading:75kg Max Speed:25KM/Hframe:Lightweight6061 aluminum frame Wheel:Alloy rims andlightweight alloy hubs Shifter:Shimano 5-Speed Gear Set:Shimano SISFork:TOPGUN front suspension Brakes: Front& Rear V-brake HandleBar:Aluminum Stem:Ajustable type Features:CIonLLI saddle &lightweight alloy cranks Net Weight: 23.5KG Gross Weight:27.5KGPacking Size:149X28X80cm