Experience incredibly smooth and fast gear changes with the Shimano 105 R7100 Hyperglide+ 12-speed road cassette. Designed for optimal performance, the computer-engineered tooth configuration and contoured shift gates ensure crisp shifts, even under heavy load. Achieve a more efficient cadence and conserve energy with its close-ratio gearing. The largest sprockets are mounted on a lightweight alloy carrier for reduced weight and increased rigidity, while cutaways and drilling further minimize mass without compromising strength. Featuring a durable nickel-plated finish for excellent corrosion resistance and a Pearl-bright steel cassette lockring, this cassette is built to last. Compatible with Super Narrow 12-speed chains. **Key Features:** * Hyperglide+ 12-speed technology for smooth shifting * Close ratio gearing for efficient cadence control * Lightweight alloy carrier for reduced weight and rigidity * Durable nickel-plated finish and steel lockring * Designed for Super Narrow 12-speed chains **Product Summary:** Shimano 105 R7100 cassette, 12-speed, 11-34T, Hyperglide+, road bike cassette, silver.