Lightweight and durable 105 FC-R7100 crankset features hollow aluminum construction with an anodized black finish, delivering enhanced strength and corrosion resistance for long-lasting performance. Engineered with 's Hollowglide technology, this 12-speed crankset provides crisp, precise front shifting and improved power transfer, making it ideal for competitive road cycling and endurance riding. Equipped with 's 110 Asymmetric chainring BCD and wide 52/36t gear ratios, the crankset offers optimized gear engagement and seamless gear changes across varied terrain. Designed with a 170mm crank arm length and a 44.5mm chainline, it ensures optimal pedaling efficiency and compatibility with road disc hubs for versatile use on modern road bikes. Featuring Hollowtech II spindle interface for enhanced stiffness and simplified installation, this crankset combines advanced engineering with sleek black styling-perfect for upgrading your road bike's performance and aesthetics. Upgrade your road cycling performance with the 105 FC-R7100 12-Speed Crankset - a perfect blend of lightweight engineering, durability, and precise shifting designed for serious cyclists. Crafted with advanced Hollowtech II technology, this 170mm crankset features a robust lightweight aluminum construction finished in sleek gloss black anodized for a professional look. The 52/36T chainrings, featuring 's innovative structural resin ribs, deliver crisp and efficient power transfer while reducing weight, ensuring every watt counts on your ride. Engineered for optimal performance, the FC-R7100 crankset boasts a hollow aluminum arm structure providing maximum rigidity and strength without excess weight. Its HollowGLIDE design enhances front shifting responsiveness, making gear changes smoother and more accurate across varied terrain. The 110 Asymmetric BCD ensures excellent compatibility with HG 12-speed chains, enabling seamless integration into your road cycling drivetrain. Designed specifically for road bikes, this crankset features a 44.5mm chainline and a 148mm Q-factor to optimize pedaling efficiency and rider comfort. The spindle interface is 's renowned Hollowtech II, ensuring a secure, easy installation that maintains superior stiffness and durability. Whether you're tackling fast group rides, endurance races, or daily training, the 105 FC-R7100 crankset provides exceptional value for riders seeking high performance at a competitive price point. Key Features & Benefits: - Lightweight & Stiff Construction: Hollow aluminum arms with anodized finish reduce weight while maintaining structural integrity. - Enhanced Shifting Performance: HollowGLIDE technology with resin ribs ensures crisp front shifts and improved drivetrain responsiveness. - Optimized Power Transfer: Hollowtech II spindle interface maximizes stiffness for efficient energy transfer onto the pedals. - Compatibility & Versatility: Designed for 12-speed road drive