Shimano CS-R7101 105 12-speed cassette, 11 - 34T

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