Switch effortlessly and smoothly in the next gear, with this Shimano Ultegra CS-R8000 11-speed cassette. This cassette is of extremely high quality and contains six common teeth. Mount this cassette easily to your Shimano Ultegra or Shimano Dura Ace 11-speed group and benefit directly from the smoother, lighter and faster shift that increases performance to a higher level. This cassette is compatible with the Shimano Ultegra HG-EV 11-speed chain.