The Shimano CS-HG201 9s Cassette 11-32 Altus is a high-quality cycling component designed to provide smooth and reliable shifting for 9-speed drivetrains. With a gear range of 11-32 teeth, this cassette is ideal for riders who need a wide range of gears to tackle steep climbs and challenging terrain. The cassette features Shimano's Hyperglide technology, which ensures smooth and precise shifting even under load, and it's made from durable materials that provide excellent longevity and resistance to wear and tear. The Shimano CS-HG201 cassette is easy to install and maintain, making it a popular choice for both amateur and professional cyclists alike. This cassette is compatible with a wide range of Shimano drivetrains, making it a versatile component that can be used with many different types of bikes. The Altus groupset is Shimano's entry-level off-road groupset, and this cassette is an excellent choice for beginner and intermediate-level mountain bikers who want reliable and durable shifting performance. With its wide gear range and smooth shifting performance, the Shimano CS-HG201 9s Cassette 11-32 Altus is a great choice for mountain bikers who want to tackle challenging terrain with confidence.