[Heartsbat] 9 13 Teeth Electric Vehicle Type 410 Bike Chain Wheel Pinion Gear Motor Sprocket Carbon Steel Gear For Ordinary Bicycle Parts

100 Brand New and High Quality!. Material: 45 Steel. Size: As shown in the picture. Color: Random Color. Package Included: 1PCS. Note: 1. Please note that the photo does not show actual size, please refer to Description for size details. 2. Please allow 5-10mm differences due to manual measurement, thanks. 3. Due to the difference between different monitors, the image may not reflect the actual color of the item. Note: Due to manual measurement, there may be errors in the dimensions and weight, Please understand, Colors may have color differences due to factors such as light, saturation, and pixels, We apologize for any inconvenience caused. 100 Brand New and High Quality!. Material: 45 Steel. Size: As shown in the picture. Color: Random Color. Package Included: 1PCS. Note: 1. Please note that the photo does not show actual size, please refer to Description for size details. 2. Please allow 5-10mm differences due to manual measurement, thanks. 3. Due to the difference between different