Kept as a spare. new and unused in the box. The Shimano RD-R8000 Ultegra 11-speed rear derailleur GS cage is a high-quality bike component designed for cycling enthusiasts. With a sleek grey colour and a durable outer shell made from Angora, this rear derailleur offers reliable performance on the road. Weighing 326g and featuring a medium size GS cage, this Shimano Ultegra rear derailleur is a top choice for athletes looking to upgrade their bike for improved efficiency and precision. The item has a length of 15cm, thickness of 9mm, and an item height and width of 9cm and 11.5cm respectively. Ideal for serious cyclists, this rear derailleur is a valuable investment for enhancing your cycling experience.