Lightweight yet durable, the 105 FC-R7100 crankset features hollow aluminum arms with Hollowtech II spindle technology, ensuring optimal stiffness and power transfer during high-performance rides. Designed with 's innovative Hollowglide structure, this 12-speed crankset delivers crisp, responsive front shifting while reducing weight for improved acceleration and efficiency. The 52/36T double chainring configuration, secured with 's 110 Asymmetric BCD, offers versatile gear options ideal for road cycling and endurance events, with compatibility for HG 12-speed chains. Constructed with a sleek black anodized finish, this crankset combines style with durability, making it suitable for both aggressive racing and everyday cycling on various road surfaces. Featuring a 175mm crank arm length, 44.5mm chainline, and 148mm Q-factor, the 105 FC-R7100 provides a comfortable, efficient pedaling stance-perfect for serious cyclists seeking high-performance drivetrain components. Enhance your road cycling performance with the 105 FC-R7100 Crankset - a perfect blend of lightweight efficiency, durability, and precision engineering. Designed for serious cyclists seeking reliable drivetrain components, this 12-speed crankset with 52/36T chainrings elevates your riding experience on both training rides and competitive races. Constructed from hollow aluminum using 's innovative Hollowglide technology, the FC-R7100 combines reduced weight with increased stiffness for superior power transfer and responsiveness. Its anodized black finish not only provides a sleek, professional look but also offers excellent corrosion resistance, ensuring longevity in all riding conditions. The crankset features a 110mm asymmetric chainring bolt circle diameter (BCD) optimized for quick, accurate shifting and maximum efficiency. The double 52/36T chainrings are engineered with 's resistance ribs-an exclusive structural design that minimizes weight while improving crisp shifting performance. The Hollowtech II spindle interface ensures a stiff, secure connection to your bike's bottom bracket, delivering reliable power delivery every pedal stroke. Ideal for road bikes using 12-speed HG chains, the FC-R7100's 44.5mm chainline and 148mm Q-factor provide a balanced stance for comfort and control. The crankset fits standard 9/16" pedal spindles and is compatible with 135/142 road disc hubs, making it a versatile upgrade for quality street, endurance, or race bikes. Key Features: - Ultra-lightweight Hollowglide construction for enhanced efficiency and power transfer - Robust hollow aluminum arms balancing strength and rigidity - Precise 52/36T chainrings with innovative structural ribs for crisp shifting - Hollowtech II spindle interface for increased stiffness and durability - Compatible with 12-speed HG chains, ideal for modern road cycling setups - 110mm asymmetric BCD for optimized crank arm geometry - Sleek black anodized finish for style a