The Shimano SLX CS-M7100 is a 12-speed Micro Spline MTB cassette designed for mountain biking. It features a lightweight minimal design with a sprocket carrier. The Hyperglide sprockets have a computer-designed tooth configuration with contoured shift gates, ensuring crisp and smooth shifting even under load. This cassette offers close-ratio gearing, allowing for more efficient energy use through finer cadence control. The sprockets are cut away and drilled to reduce weight without compromising rigidity. It is designed for use with 12-speed MTB chains. The average weight for the 10-45T configuration is 513g.