Lightweight yet highly durable, the 105 FC-R7100 crankset features hollow aluminum arms with a gloss black anodized finish, optimizing strength-to-weight ratio for enhanced performance on the road. Engineered with 's innovative Hollowglide technology, this 12-speed crankset delivers crisp, precise front shifting and improved power transfer thanks to its lightweight, stiff structure and resin-reinforced chainrings. Designed with a 110mm asymmetric BCD and compatible with HG 12-speed chains, it ensures seamless integration with modern road drivetrain setups for smooth shifting across diverse terrain. The 172.5mm crank length and 44.5mm chainline make it ideal for road cycling, providing optimal leverage, pedaling efficiency, and a balanced Q-factor for comfortable, efficient riding sessions. Featuring a robust Hollowtech II spindle interface and sleek black anodized finish, this crankset combines style with advanced components and technology for reliable performance in all cycling conditions. Upgrade your road cycling performance with the 105 FC-R7100 Crankset - the perfect blend of lightweight efficiency, innovative engineering, and sleek style. Designed for serious riders seeking reliable power transfer and crisp shifting, this 12-speed crankset features advanced Hollowtech II technology and materials for exceptional durability and performance. Materials & Construction: Constructed with hollow aluminum arms, the 105 FC-R7100 crankset delivers a lightweight profile without compromising strength. The durable gloss black anodized finish not only enhances corrosion resistance but also adds a sleek aesthetic to your bike. The forged aluminum chainrings feature 's innovative Resin Ribs design, which reduces weight while maintaining rigidity and optimizing shift performance. Performance & Engineering: Engineered for optimal stiffness and rotational efficiency, this crankset ensures maximum power transfer with every pedal stroke. The Hollowglide structure minimizes weight, resulting in quicker acceleration and seamless shifting across the 12 gears. The 110mm Asymmetric BCD (Bolt Circle Diameter) allows for precise chainring placement, promoting smoother cadence and improved drivetrain responsiveness, especially when paired with HG 12-speed chains. Components & Technology: Equipped with a Hollowtech II spindle interface, the FC-R7100 guarantees a secure and stable connection to your bottom bracket, compatible with Hollowtech II systems. The crankset features a 172.5mm crank length, ideal for a wide range of riders, and a 44.5mm chainline suitable for modern road bikes with 135/142mm hubs and up to 415mm chainstays. Compatible with a 9/16" pedal spindle, it accommodates a variety of pedal options for personalized riding comfort. Style & Use Case: Designed specifically for road cycling enthusiasts, the 105 FC-R7100 crankset combines professional-level performance with everyday durability. Its sl