Product Description About wheel kits: Specification(SO EASY BE A E BIKE ) Suitable bike style Kit gross weight:6kgs Weight:6kg road condition full road Suitable bike Mountain,city bike,road bike(wheel: 24inch,26inch,27.5inch) Biggest continue voyage course Electric model:20--25km,PAS model:30--50km Speed Electric model:26km/h,PAS model:30km/h Frame match Alloy/stee…