Product Name: Ts Brand Bottom Bracket 68mm Torque Sensor Speed Sensor for Bicycle Motor Kit Model NO.: TSDZ2 Type: Conversion Kits Voltage: 36V Rated Power: 250/350 W Construction: Geared Motor Position: MID Motor Max Torque: 80 N.M Bottom Bracket: 68mm Sensor: Speed Sensor;Hall Sensor Weight: 4.0kg Speed Limited: 25km/H Chain Wheel: 42t Trademark: CNEBIKES Transport Package: Carton Package Specification: CE approved Origin: China HS Code: 8501310000 Product Description TSBrand Bottom Bracket 68mm Torque Sensor Speed Sensor for Bicycle Motor Kit♥WarrantyMotor--->2 years(guarantee replacement in first year, guarantee repair in the next year.)Battery---->1years(guarantee replacement.)Other parts---->half an year ♥ Complete mid motor kits including==> 36v 350w mid crank motor===> Speed sensor with magnets===> VLCD5 Display===> No thumb throttle/brake level===> Waterproof Connector===> Three ports for brake levers and throttle===> Aluminium alloy crank♥SPECIFICATIonSPositionMid MotorConstructionGear MotorNominal Voltage36vRated Power350 WMax Torque80 N.mEfficiency85 %PAS SENSORTorque sensorPower assist ratio36%-300%SensorSpeed Sensor;Hall SensorBottom Bracket68mmChain Wheel42TDisplayVLCD5Speed limited25km/hMax speed without limited37km/hMounting ParametersWeight4.0 kgTests & CertificationsIP-CodeIP 54CertificationsCE Certification♥Components