CS-R7100 105 12-speed cassette, 11 - 34T

High performance Hyperglide&plus 12-speed 105 Road cassette
Hyperglide&plus 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 Hyperglide&plus chains