Shimano ultegra r8000 11 speed cassetteeagerly anticipated the updated shimano ultegra r8000 range has arrived shimano has evolved the ultegra series which hugely benefits from the joys of trickle down technology from its big brother dura ace r9000 infused with shimanos rider tuned philosophy this ultegra r8000 11 speed cassette offers a huge range of gear ratios to help you conquer any terrain featuresrider tuneddurableweight 232ga 2 year warranty is offered with all shimano products