Tekuisi 1pc For-MTB Bike Freewheel Cog For-Shimano 8 9 10 11 Speed 11T 12T 13T Mountain Bicycle Cassette Sprockets Accessories

【Improved Chain Retention】The new narrow-wide teeth design enhances chain retention, significantly prolonging the wear life of the cassette cog. It also reduces friction and noise during bike rides.
【 for durable and Lightweight】Crafted with top-quality steel, this MTB road bike cassette cog is both super for durable and lightweight. It ensures optimum performance without adding unnecessary weight to your bike.
【Maximum Ring Durability】Designed with larger wide teeth, this freewheel provides maximum durability and drop performance. You can rely on its strength and stability during intense rides or challenging terrains.
【Easy Installation and Removal】Installing and dismantling this cassette cog is a breeze. You can quickly and effortlessly set it up on your bike without any hassle. Enjoy the convenience and efficiency it offers.
【Wide Compatibility】Compatible with 8/9/10/11 speed bikes, this cassette cog suits a wide range of setups. It offers versatility and flexibility, making it suitable for various road and mountain biking adventures.