electronic gear hub for city e bike

{"cid":"91225520","title":"A03 Automatic 3-Speed Internal Gear Hub For City E-Bikes","imgUrl":"https:\/\/img.chinax.com\/nimg\/5c\/9a\/9a5b9a3e65dca39786839692b4dd-200x200-1.jpg","attrs":{"Price":"Negotiable","Brand Name":"ELEVANDI","Model Number":"A03","Minimum Order Quantity":"TBD","Delivery Time":"<20days","Technology":"CentriGear Mechanical Automatic Shifting","Brake Type":"6-Bolt Disc Brake","Application":"City E-Bikes \/ Commuter OEM Projects","Certification":"RoHS,REACH","Product Category":"Automatic Gear Hub","Payment Terms":"T\/T,PayPal,L\/C,D\/A,D\/P,Western Union,MoneyGram","Drive Versions":"LG-N7118-3D Chain Drive \/ LG-N7122-3D Belt Drive","Shifting Principle":"Centrifugal Force + Planetary Gear Operation","Gear Range":"166% Total Gear Ratio","Product Series":"A03 Automatic 3-Speed Internal Gear Hub","Place of Origin":"GUANGZHOU,CHINA","Target Buyer":"City E-Bike Brands \/ Commuter Bicycle OEMs","Supply Ability":"Ten thousand sets per month","Packaging Details":"1pcs\/carton"}}

{"cid":"91148789","title":"2026 New R7 48V15A Lithium 750W 7-Speed Electric City Brushless Rear Hub Motor Long Range Electronic Sensor Ebike 25kmh EU Stock","imgUrl":"https:\/\/img.chinax.com\/nimg\/cd\/b3\/e63385c9de8c37b4e19361264842-200x200-1.jpg","attrs":{"Price":"$391-501","Brand Name":"TST, YEESTEP, OEM BRAND","Model Number":"R7","Minimum Order Quantity":"1","Place of Origin":"Guangdong, China","Gears":"7 Speed","Range per Power":"> 60 km","Frame Material":"Carbon Steel","Wheel Size":"20\"","Max Speed":">50km\/h","Voltage":"48 V","Power Supply":"Lithium Battery","Braking System":"Hydraulic Disc Brake","Torque":"80-90 Nm","Charging Time":">3 hours","Motor position":"Rear Hub Motor","Battery Position":"Down Tube, Down Tube,Integrated Battery,Removable Battery,hidden battery","Packaging":"Available","Battery Capacity":"15AH, 15AH, 13AH","Smart Type":"Sensor, Bluetooth, Electronic, Digital, LONG RANGE, High Speed, Off-Road","Application":"Transportation, City, Adults","Special Feature":"Lightweight, Headlight, Digital Display, Dual Suspension, dual disc brake, Adjustable Seat, Odometer","Driven Type":"Electric, Manual, pedal-assist","motor":"Brushless","Type":"Road Bike, Mountain Bike, City bike, EBIKE","Brake":"Hydraulic Disc Brake","Motor Power":"750W - 1500W, 750 W, 250 W","Suspension Type":"Rear, Front, Dual, Full","Battery Type":"Lithium Ion","Power Source":"Rechargeable, Lithium Battery, Wall Plug, Storage Battery","Display Type":"LCD Display","Bicycle Gear Shifter Type":"Trigger","Range":"55km by pure battery, 75km with pedaling","Max loading":"204KG","Adaptor":"54.6V2A","Driving range Charge(65kg loading)":"Pure Throttle:55km \/ With Pedal:75km","Max Speed (KM\/H)":"32km\/h for US \/ 25km\/h for EU, adjusted to 45km\/h by app","Brake system":"Electronic brakes+ Hydraulic Disc Brakes","Tire":"20\" * 4.0 Air tires","Max Climbing":"30\u00b0","Loading Qty (40HQ )":"277 pcs"}}