The Varstrom TSDZ Mid Drive Kit is the perfect upgrade for your electric bike, offering torque sensor assistance and accurate motor control. The kit includes a high-quality display that ensures you're always aware of your performance, whether you're on a 36V or 48V system. With this 68-73mm Bottom Bracket conversion, you can enjoy the thrill of riding while minimizing the effort required. The TSDZ-2B Battery complements the kit, providing the power needed to propel you swiftly and comfortably. The included Torque Sensor Mid Drive Motor adds to the efficiency, reducing wear and tear on your drivetrain. Trust Varstrom to deliver a top-notch electric bike conversion solution that supports your riding goals.