Shimano Shimano Ultegra 6500 11-23 cassette

Cassette. Speeds: 9. Teeth: 11-23. Similar to the Dura Ace the Five largest sprockets are mounted on two light seperate Alloy carriers that reduce weight and increase sprocket stiffness.

• High performance 9-speed cassette
• 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
• Two largest sprockets are mounted on a lightweight alloy carrier to reduce weight and increase rigidity
• Sprockets are cut away and drilled to further reduce weight without reducing rigidity
• Chrome-plated finish offers hard wearing resistance to corrosion
• Chrome-plated steel cassette lockring
• For Super Narrow 9-speed HG chains
• Weight: 203 grams for 11 - 23T