The SRAM Red Cassette is a high-quality 12-speed cassette designed for road bikes. With a largest sprocket of 28 teeth and a smallest sprocket of 10 teeth, this cassette is perfect for riders looking for a durable and reliable gear option. The XDR driver feature ensures compatibility with SRAM XDR freehub, allowing for easy installation and smooth performance. The sleek silver color and stylish design make this cassette a great choice for cyclists looking to upgrade their bike's components with top-notch SRAM technology.