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Road    Cassettes

Shimano Ultegra CS-6800 11 Speed Cassette

Shimano injected their new 11-speed 6800 Ultegra group with a heavy dose of trickle-down technology from the fantastic 9000 group. Just like its more expensive brother, 6800 is engineered to virtually disappear under the rider with more intuitive controls. Part of this rider-tuned philosophy led to an 11-speed rear cassette with improved ratios so that you can always be in the perfect gear. Best of all is you get an extra gear for only a couple grams more.

Durability is the same as the excellent CS-6700 to perhaps better considering the matching CN-6800 chain can be expected to last 20% longer thanks to its PTFE coating. This coating along optimized chain width allows shifting on the CS-6800 cassette to be smoother and quieter than ever. The 6800 cassette can be used with the 9000 group as a slightly heavier but more affordable option.


  • 11-speeds
  • 212 grams


  • 11-23: 11-12-13-14-15-16-17-18-19-21-23
  • 11-25: 11-12-13-14-15-16-17-19-21-23-25
  • 11-28: 11-12-13-14-15-17-19-21-23-25-28
  • 12-25: 12-13-14-15-16-17-18-19-21-23-25

Only fits rear wheels designed to be 11-speed Shimano compatible

Reg Price $99.95
Item #: 111950