combination 1：Just Backpack(no water bag)

/73 km(pedal assist) Max Speed 45km/h 45km/h Battery Capacity 48V 13Ah SAM-SUNG 48V 20Ah Gears  7-Speed Shimano 7-Speed Shimano Tire CHAOYANG 20" x 3" tires CST 20" x 4" Puncture-Proof  Fat tires Brakes 160MM Mechanical Disc Brakes 180mm Hydraulic Disc Brake Motor 750W(Peak Motor: 1056W) 750W(Peak Motor: 1200W) Display  LCD  S2+ dsiplay Foldable YES YES Suspension Dual Suspension Dual Suspension Pedal Assist Mode 1-5 Level Pedal Assist 1-5 Level Pedal Assist Suggested Rider Height 5'3"-6'5" 5'3"-6'5" Charger 54

When you switch to assisted mode

providing strong acceleration and excellent hill-climbing performance

bicycle electronic bell bicycle light scooter e bike trumpet alarm bike bell usb charge cycling warning alert safety riding Color:Black combination 1：Just Backpack(no water bag)SPECIFICATIONS Brand Name: NoEnName_Null Choice: yes Hign concerned Chemical: None Origin: Mainland China Type: Electric Horn recommended to you USB Chargeable : No need for batteries, simply charge the bell via USB for convenient use. Electric Horn : The electric horn provides a loud and clear warning sound, ensuring safety while cycling. Multi functional : This bell can be used as a scooter bell, e bike bell, or trumpet alarm, making it versatile