The Create Idea Durable Metal Wheel Hub Axle Set is a top-quality product designed specifically for mountain bikers seeking a perfect fit and long-lasting performance. This set includes high-quality 140mm front and 180mm rear wheel hubs, as well as 4 universal bearings and a bicycle spindle shift shaft lever. Constructed from durable metal, this set is built to withstand the rigors of any mountain biking adventure. The 4 bearings ensure smooth and precise rotation, even under heavy loads, while the lever provides a simple yet effective mechanism for shifting and engaging the drivetrain. With a focus on durability and versatility, this Create Idea wheel hub axle set is an excellent investment for any serious mountain biker.