The Shimano Cs-5800 11spd 12-25 Cassette is great if you're replacing or upgrading. It gives you rider tuned wider gearing options with 11 speeds.
- HG Cassette Sprocket (11-speed)
- 11-28T, 11-32T, 12-25T
- Same Gear Thickness as 10-Speed
- Efficient HG-EV 11-Speed Cassettes Sprocket
- Rider Tuned Wide Range Gearing stay in Rhythm with the Cadence Control of 11-Speed
- Long Durability
- Weight: 284g (11-28T)