belt drivetrains lectric hub motor controller

{"cid":"91225520","title":"Compact Hub Motor Gearbox Electric Electric Controller For Chain Or Belt Drivetrains","imgUrl":"https:\/\/img.chinax.com\/nimg\/4f\/2f\/fe0b912a7b0ea88d20569475e678-200x200-1.jpg","attrs":{"Price":"Negotiable","Brand Name":"ELEVANDI","Model Number":"R900","Minimum Order Quantity":"TBD","Delivery Time":"<20days","Shifting System":"Electronic 3-Speed Integrated Shifting","Certification":"RoHS,REACH","Supply Ability":"Ten thousand sets per month","Packaging Details":"1pcs\/carton","Integration Role":"Rear Hub Motor With Electronic 3-Speed Gearbox","Model":"R900","Control Matching":"CANbus Matching Direction Mentioned In Source Material, Project Confirmation Required","Place of Origin":"GUANGZHOU,CHINA","Product Type":"Integrated Hub Motor & 3-Speed Electronic Gear System","Payment Terms":"T\/T,PayPal,L\/C,D\/A,D\/P,Western Union,MoneyGram","Drivetrain Matching":"Chain \/ Belt, Final Line And Component Matching Required","Motor Structure":"Gear-Drive Rear Hub Motor","Outdoor Use":"IPX6 Waterproof Rating","Application":"Urban E-Bikes \/ Utility E-Bikes \/ OEM Mobility Platforms"}}

{"cid":"91225513","title":"1500 Watt 83 90mm Wheel Big Torque Gear Belt Direct Drive Electric Skateboard Hub Motor","imgUrl":"https:\/\/img.chinax.com\/nimg\/29\/b6\/2d0aeb692da5affc29f7a056fbb1-200x200-1.jpg","attrs":{"Price":"$56-80 \/ piece","Brand Name":"FreeRcHobby","Model Number":"MP83mm","Minimum Order Quantity":"10 pieces","Place of Origin":"Guangdong, China","Rated voltage":"48V","Protect Feature":"Explosion-proof","Motor Mounting Type":"Foot Mount","Speed":"35km\/h-40km\/h","Commutation":"Brushless","Power":"1500W max 750w constant","Continuous Current(A)":"25A","Type":"Brushless Motor","Size":"83*60*63mm","gradeability":"28 degree","Warranty":"3 months ~ 1 year","Construction":"Permanent Magnet","Torque":"8Nm(0in)","Dimension":"83mm or 90mm","weight":"900g","Current":"50A max 20A constant","Speed(RPM)":"3216","Rated Power":"750W","Frame":"83MM(3.27in)","Speed Rpm":"3216","Efficiency":"IE3","ESC":"12S 60A ESC","Voltage":"8V - 50V (Safe for 3S to 12S LiPo).","Usage":"Boat, Car, Electric Bicycle, Fan, Home Appliance, Cosmetic Instrument, Smart Home","Wheel":"PU 80-83A"}}

{"cid":"91215758","title":"1.33A Non Captive Stepper Motor 42*42*34mm 0.22N.M Tr5*2 NEMA 17","imgUrl":"https:\/\/img.chinax.com\/nimg\/1d\/70\/49ca8b92d8986a57017663818129-200x200-1.jpg","attrs":{"Price":"$15-$18","Brand Name":"Casun","Model Number":"42SHD0412-01TT","Minimum Order Quantity":"1PC","Delivery Time":"7-15 days","Certification":"CE,ROHS,ISO","Place of Origin":"China","Payment Terms":"D\/A, T\/T, L\/C, D\/P","Supply Ability":"40000+PCS+Month","Packaging Details":"Carton:38x29xc14m","Steper angle":"1.8 degree","Phase":"2","Rated voltage":"2.8V","current":"1.33A","Holding torque":"220mN.m","Customized":"The motor can be designed &manufactured with customized request."}}