Rider-tuned means Dura-Ace works the way you want it. The new 11-speed cassettes are available in a range of sizes including a wide-range 11-28 option – one cassette to use all year round. Smooth, fast shifting guaranteed. Features carbon mid spider carrier and titanium sprockets (16T and bigger).
11-23, 11-25, 11-28, 12-25, 12-28