shimano dura ace cassette 10 speed 12 - 23t 7900
7900 Dura-Ace 10-speed cassette
Super lightweight 10-speed cassette with a rigid alloy carrier for excellent shifting even under the most demanding gear changes
Hyperglide sprockets have a computer designed tooth configuration with contoured shift gates, resulting in a crisp smooth shift even under load
Close ratio gearing allows a more efficient use of energy through finer cadence control
Largest sprockets are mounted on a lightweight alloy carrier to reduce weight and increase rigidity
4 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 10-speed HG chains
Weight 163 grams for 11-23 tooth
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