For the next best in bike drivetrain componetry after Dura-Ace yet at an affordable price, don't go past Shimano's Ultegra R8000 cassette.
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The updated Shimano Ultegra R8000 range has arrived. The Ultegra series has evolved, inheriting advanced technologies from its big brother, Dura Ace R9000. Infused with Shimano's 'rider-tuned philosophy', this Ultegra R8000 11-Speed Cassette offers a huge range of gear ratios to help you conquer any terrain.
HG-EV cassette sprocket offers rider-tuned gear combination and cadence management. Shimano have provided the optimal 11-speed drivetrain gear ratio and now you can choose from a wider and closer gear combination available to match various riding disciplines. HG-EV cassette sprocket has obtained 11-speed gear without compromising the 10-speed durability and improved HYPERGLIDE shifting.
HG-X11 provides silky driving, accurate shifting. The HG-X11 directional chain offers more smoother shifts and greater overall performance. Right and left sides are optimised for front and rear shifting respectively.