Experience peak cycling performance with the Ultegra CS-6800 11-Speed 11t Cassette Cog - a perfect combination of precision engineering, durability, and sleek design. Crafted to elevate your road cycling experience, this high-quality cassette is optimized for demanding riders seeking smooth shifting, lightweight performance, and reliable power transfer. Materials and Construction The Ultegra CS-6800 cassette features advanced machining and high-strength steel construction, ensuring exceptional durability and longevity under rigorous riding conditions. The cogs are made from intelligent alloy materials that reduce weight without compromising strength, providing improved aerodynamics and effortless gear changes. Performance & Engineering Designed for seamless compatibility with 11-speed drivetrains, the CS-6800 offers precise and crisp shifting performance. Its meticulously designed gear teeth and narrow sprockets minimize chain wear and reduce drag, allowing you to maintain high cadence and optimize energy transfer on every ride. The lightweight construction enhances acceleration and climbing efficiency, making it ideal for competitive racing or weekend endurance rides. Components & Technology Incorporating 's innovative Hyperglide+ technology, this cassette ensures smooth, reliable shifts across all gears. The precise tooth profile reduces chain slippage and enhances chain retention, even during aggressive efforts. The 11-tooth smallest sprocket provides close gear ratios, giving you a wide range of options for climbing, sprinting, or cruising. Style & Use Case With a sleek, professional aesthetic, the Ultegra CS-6800 cassette complements any road cycling setup. Its compatibility with 11-speed derailleurs and shifters ensures easy installation and dependable operation. Whether you're a competitive cyclist aiming for race-winning consistency or a passionate rider seeking high-performance upgrades, this cassette delivers