Experience smooth shifting with this brand new Simplex Prestige S001 Rear Derailleur designed for road bikes with 5-6-7 speeds. This high-quality rear derailleur is perfect for cycling enthusiasts who are looking for reliable and efficient gear shifting. Made with the finest materials, this part is built to last and will surely enhance your cycling experience. The Simplex Prestige S001 Rear Derailleur is a must-have for anyone who values top-tier performance and quality. Add this part to your bike and enjoy a smooth ride with seamless gear changes.