Shimano CS-R9100 Dura-Ace 11 speed cassette 11 - 28T
The key features of this 11-speed cassette are as follows:
- 11-speed HG-EV cassette
- It is Super lightweight with a rigid carbon and alloy
- Provides excellent shifting even under the most demanding gear changes
- The Hyperglide EV sprockets have a computer designed tooth configuration
- Close ratio gearing allows a more efficient use of energy through finer cadence control
- Largest sprockets are mounted on lightweight alloy and carbon carriers to reduce weight and increase rigidity
- The 5 largest sprockets are made from titanium to reduce weight without sacrificing strength
- Sprockets are extensively cut away and drilled to further reduce weight without reducing rigidity
- Nickel-plated finish offers hard wearing resistance to corrosion
- Alloy cassette lockring
- For Super Narrow 11-speed HG-EV chains
- Average weight 175 grams for 11-25 tooth
- Colour: Silver
- Discipline: Road