Welcome to ethirteen, the leading brand for high-quality mountain bike components. The ethirteen brand name is synonymous with innovative design, exceptional performance, and durability. Ethirteen is committed to providing customers with the best possible riding experience. A range of products is offered, including the highly sought-after e thirteen cassette. The e13 cassette is a game-changer for mountain bikers. Designed for ultimate performance, the e thirteen 12 speed cassette features a 511% range, making it perfect for steep climbs and fast descents. With helix technology, the e thirteen helix cassette provides the smoothest shifting experience, ensuring maximum control and stability on the trail. At ethirteen, the passion lies in creating products that exceed customers' expectations. Whether a beginner or an experienced rider, the e13 cassette and other mountain bike components will take the riding experience to the next level. Trust ethirteen for all mountain biking needs.