Shimano 105 R7101 12 Speed Cassette

High performance Hyperglide+ 12-speed 105 Road 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
• 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
• Nickel-plated finish offers hard wearing resistance to corrosion
• Pearl-bright steel cassette lockring
• For Super Narrow 12-speed chains