The 48V500W68MM-73MM Mid Motor TSDZ2B Torque Sensor Varstrom Ebike Conversion Kits with EKD01 Display by Varstorm is a high-quality electric bicycle conversion kit designed for various bike types including E-Trekking, E-Cargo, E-Mountain, E-Tricycle, E-City, and E-Recumbent. With a powerful 500W motor and a maximum torque of 100Nm, this conversion kit allows for a top speed of 30-35km/h without any speed limitations. The IP54 waterproof design ensures reliability in various weather conditions. The sleek black design and compatibility with Shimano brand components make this conversion kit a top choice for electric bike enthusiasts looking to upgrade their existing bike.