Dahon Neos 7/8-Speed Rear DerailleurDahon Neos 7/8-Speed Rear Derailleur is a low-profile derailleur designed to mount directly to the chain stay with its body tucked away underneath making it ideal for smaller wheels. This derailleur takes the place of traditional derailleur where long cages leave little clearance and are vulnerable to damage. The innovative short-cage design delivers sharp, crisp lightning fast shifts and doubles the amount of ground clearance. If a new innovative design in a rear derailleur made especially for smaller wheels is what you’re looking for then the Dahon Neos 8-Speed Rear Derailleur is what you need.