There are some minor scratches from use, but overall it is a beautiful item in good condition. It is a 2-speed type that allows you to switch between LOW gear and HIGH gear with one touch. This is a very rare and highly sought-after item that is rarely seen. Outer diameter of the side cup: Approximately 93 x 63 mm (Mechanism in good working order / Operation confirmed) Please refrain from purchasing if you are nervous or seeking perfection, as this is a used item stored at home. In order to prevent troubles such as parts swapping and removal, we basically do not accept returns or complaints, so please check the images carefully before purchasing. We appreciate your understanding of used items and kindly ask for your purchase. NO.37