Shimano
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
• For Super Narrow 10-speed HG chains
• Alloy cassette lockring
• Weight - 163g for 11-23 cassette