electric bike conversion kit for road bikes

{"cid":"91148100","title":"38km\/H 48V 500W Electric Bike Conversion Kit Disc Brake Powerful Rear Gear Motor","imgUrl":"https:\/\/img.chinax.com\/nimg\/bc\/9c\/4e13103e7646ad2b9183fdefc95a-200x200-1.jpg","attrs":{"Price":"USD","Brand Name":"DREAM WHEEL","Model Number":"EBSCK835","Minimum Order Quantity":"5pcs","Delivery Time":"20 to 25 days","Certification":"CE","Place of Origin":"CHINA","Payment Terms":"T\/T, L\/C, Western Union","Supply Ability":"4500PCS per month","Packaging Details":"Carton+foam","Motor power":"48V 500W","Battery":"48V 13Ah lithium battery","Panel":"LED style","Wheel":"26\"","Speed":"38km\/h","Controller":"48V 18A brushless"}}

{"cid":"91202006","title":"IP54 Electric Bike Conversion Kit With Controller GPS LCD Display 350W 500W Motor","imgUrl":"https:\/\/img.chinax.com\/nimg\/75\/dd\/40b5d4aa4bb53089f2e1e9a0cbd1-200x200-1.jpg","attrs":{"Price":"20usd\/pc","Brand Name":"Topshine(Support OEM\/ODM)","Minimum Order Quantity":"1piece","Delivery Time":"1-8 work days","Certification":"CE,RoHS","Place of Origin":"China","Payment Terms":"T\/T, Western Union, MoneyGram,paypal","Supply Ability":"100000pcs\/month","Display":"GPS speedometer","Voltage":"36V, 48V","Brake type":"Disc Brake Optional","PAS":"8 or 12 magnets","Waterproof Grade":"IP54","Power Supply":"Lithium Battery","Wheel Size":"20\", 24\", 26\",27.5\", 29\""}}

{"cid":"91224385","title":"original 20inch v8 Headlight Fat bike Waterproof Outdoor for OUXI V8 electric Bike Headlight scooter ebike conversion kit","imgUrl":"https:\/\/img.chinax.com\/nimg\/21\/00\/153760b04c61debafe2168737677-200x200-1.jpg","attrs":{"Price":"$11-11.50 \/ piece","Brand Name":"BAIJIA","Model Number":"BJ-WD01","Minimum Order Quantity":"2 pieces","Place of Origin":"China","Usage":"Electric Scooters, Self-balancing Electric Scooters, Kids' scooters, Electric Scooters, Kick Scooters,Self-balancing Electric Scooters","Voltage":"no","Motor Power":"no","Brake Type":"no","Battery Type":"no","bearing":"no","Application":"self-balancing electric scooter, Kick scooter, Electric Scooter, kids' scooter, CHARGING","Feature":"Durable, Water Resistant, Shock Absorption, Solid, Easy Install, Wear-Resistant, Explosion-Proof","Type":"Ebike tailight","color":"Black","Fit for":"OXV8-07 \/ OXV8-08","Packing":"PE bag and carton","Function":"Warning","Keyword1":"Electric Scooters tailight Repair Accessories"}}