This SRAM Force 1 Rear Derailleur in Gray, with 11 Speed and a Medium Cage, is the perfect addition to your bicycle. Designed for superior performance and reliability, this Rear Derailleur is ideal for cycling enthusiasts who demand the best. Made by SRAM, a trusted brand in the industry, you can be assured of its quality and durability. With a part type of Rear Derailleur, this model is perfect for those looking to upgrade their bike's performance. The derailleur cage length is medium, providing a comfortable fit for most riders. The SRAM Force 1 Rear Derailleur is a great choice for anyone looking to add more speeds to their bike and achieve a smoother ride.