The tape Shimano Ultegra CS-R80000 11 speeds is a rear wheel bike tape.
Like the group Ultegra, it's a high-end, accurate, silent and effective cassette.
It is montable only on an 11-speed wheel body.
It offers a excellent value for money in the 11-speed tape segment.
For more versatility, it is available in 6 teeth to adapt to your different types of outputs.

An 11-speed cassette obviously requires 11-speed chain !

Detailed specifications of the cassette Shimano Ultegra CS-R80000 11 speeds:

• Speeds: 11
• Compatibility: Shimano/Sram
• Weight: 232g (11/25) - 292 g (11/32) - 300 g (14/28)
• Denture/Length:
  • 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
  • 11/30: 11-12-13-14-15-17-19-21-24-27-30
  • 11/32 : 11-12-13-14-16-18-20-22-25-28-32 (requires the use of a medium-shaft derailleur)
  • 12/25: 12-13-14-15-16-17-18-19-21-23-25
  • 14/28: 14-15-16-17-18-19-20-21-23-25-28