The Shimano CS-hg201-9 cassette sprocket is designed specifically for mountain bikes and is compatible with Shimano MTB freehub/driver type. This durable steel cassette features a largest sprocket of 34 teeth and a smallest sprocket of 11 teeth, perfect for tackling various terrains. The silver colour adds a sleek touch to your bike, while the set includes everything you need for a smooth and efficient gear change. Upgrade your cycling experience with this reliable Shimano cassette sprocket.