... electric bicycle conversion kits 1)electric bicycle conversion kits with lead-acid battery 2)good qualtiy 3)CE certificate electric bicycle conversion kitsIt is ... ! Front Wheel E-bike conversion kitIncludes 16inch --28 inch motorized front wheel with tube and tire, motor controller, smart ... : 24V or 36V, 180-350W, DC, brushless, quiet and maintenance free,water proofTop speed: 25km/h (EU),32km/h ...