About Shimano Dura-Ace 9000 11sp Cassette
The Shimano Dura-Ace 9000 cassette provides accurate, fast shifting and low weight thanks to carbon and titanium construction
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.
Carbon mid spider carrier
Titanium sprockets (16T and bigger)
More About The Manufacturer Shimano
Shimano, Inc. is a Japanese multinational manufacturer of cycling components, fishing tackle, and rowing equipment.
In 2005, the company had net sales of US $1.4 billion. Bicycle components provided 75% of its sales income. Fishing tackle produced 23% of the company's sales income, while other products—including snowboarding equipment and other forged parts—produced about 2% of its sales income. Headquartered in Sakai, Japan, the company has 32 consolidated subsidiaries and 11 unconsolidated subsidiaries. Its primary manufacturing plants are in Kunshan, China; Malaysia; and Singapore.