Simple installation and disassembly makes it more convenient to use. Strong sensors and eight magnets design brings higher sensitivity and precision.Premium PC material makes it ultralight and adds no extra weight to your bike. Our pedal assist sensor helps extend cycling mileage with good accuracy.Made of PC material, it is durable.The length of the line is 80cm.This product is perfectly suitable for bike, electric bicycle, etc.Item Name: SensorMaterial: PCColor: BlackMagnet: 8PcsFeatures: Rust-proof, High Sensitivity, High AccuracyAttribute:Style 1: Right Side Single Sensor 8 Magnets Booster - Small HoleStyle 2: Left Side Integrated Single Sensor 8 Magnets BoosterSize Details: Line Length: 80cm/31.5" (Approx.)Notes:Due to the light and screen setting difference, the item's color may be slightly different from the pictures.Please allow slight dimension difference due to different manual measurement.Package Includes:1 x Sensor