Upgrade Your Ride with the Shimano Ultegra FC-R8100 12-Speed Chainring Set 36t & 52t Asymmetric BCD 110 for Precision Shifting and Lightweight Performance Enhance your cycling performance with this high-quality Shimano Ultegra FC-R8100 12-Speed Chainring Bundle, featuring both 36-tooth inner and 52-tooth outer chainrings designed for optimal power transfer and seamless shifting. Crafted from premium materials and engineered with innovative technologies, this set is perfect for serious cyclists seeking durability, lightweight efficiency, and precision. Materials & Construction These Shimano Ultegra chainrings are constructed from high-grade aluminum with anodized finishes, ensuring exceptional durability and corrosion resistance. The outer chainring incorporates advanced carbon fiber reinforced plastic, offering a perfect balance of strength and ultra-light weight. The 36t inner chainring is made from robust aluminum, providing reliable performance on demanding rides. Performance & Engineering Designed with Shimanos cutting-edge Hollowglide technology, these chainrings deliver increased rigidity and strength while reducing weight, resulting in improved power transfer and responsiveness. The asymmetric 110 BCD (Bolt Circle Diameter) ensures optimal mounting compatibility with Shimanos FC-R8100 and FC-8100-P 2×12-speed cranksets, enabling precise front shifting and efficient pedaling dynamics. Components & Technology This bundle includes a 36t inner chainring ideal for climbing and fast acceleration, and a 52t outer chainring optimized for high-speed cycling on flat and rolling terrain. Both chainrings are compatible with HG 12-speed chains, ensuring smooth, reliable engagement and minimal drivetrain noise. The innovative Hollowglide and carbon wrapping technologies set these chainrings apart from standard options, providing a lightweight yet exceptionally rigid drivetrain component. Style & Use Case Designed for competitive road cyclists and serious enthusiasts, these Shimano Ultegra chainrings offer a sleek black finish that complements any high-performance road bike. Perfect for upgrading existing cranksets or customizing your gear setup, this pairing delivers superior power transfer, quick and accurate shifts, and long-lasting durability for demanding cycling conditions. Unlock the full potential of your Shimano 12-speed drivetrain with this high-performance chainring bundleengineered for precision, built for durability, and designed to elevate your riding experience.