Easy Installation and Universal Compatibility

ergonomic frame design

allowing you to glide effortlessly over bumps and uneven surfaces while ensuring optimal stability and control

Charging the battery is fast and convenient

resulting in an extended cruising range

bicycle bike cycling backpack day 0 To 250 Watt Easy Installation and Universal CompatibilitySPECIFICATIONS is_customized: Yes Type: Backpack Origin: Mainland China Model Number: VH1726 Material: nylon Function: Rainproof Color: Black,Red,Blue,Green Brand Name: NoEnName_Null About backpack and water bag This product is backpack, water bag is accessories. Backpacks don't contain water bags. If you only need a backpack, please buy the 'bag only' option. If you need a backpack and water bag, please buy the 'bag + water' option.