The Shimano 105 FC - R7100 12 - speed crankset is a top - notch choice for road cycling. It strikes an ideal balance between light weight and efficiency while still offering excellent stiffness. Made with hollow aluminum technology, the crank is finished in a durable gloss black anodized coating. The unique resin ribs on the back of the chainrings not only reduce weight but also ensure crisp shifting performance. Key features include an optimal balance of stiffness, strength, weight, and rotational performance. The HOLLOWGLIDE structure cuts weight while maintaining strength for better power transfer and more precise front shifting. The hollow anodized aluminum arms provide lightweight rigidity and durability. It has a 44.5mm chainline, a 148mm Q - factor, and is compatible with an HG 12 - speed chain. Technical specs: Color: Black; Rings: 52/36; Number of Chainrings: Double; Crank Length: 175mm; Crank Intended Use: Road; Drivetrain Speeds: 12; Weight: 754g; BB Included: No; Pedal Spindle: 9/16'; Spindle Interface Type: Shimano Hollowtech II; Chainring BCD: 110 Shimano Asymmetric; Chainline/Hub Compatibility: 135/142 Road Disc Hubs > 415 mm Chainstay.


Using this Shimano 105 FC - R7100 crankset is straightforward. Just install it on your road bike following the standard procedures. Make sure to use a compatible HG 12 - speed chain. When riding, you'll notice the smooth power transfer and precise shifting. As for maintenance, regularly clean the crankset with a mild bike cleaner and a soft cloth. Check the chainrings and arms for any signs of wear or damage. If you notice any issues, it's best to get it checked by a professional bike mechanic. Also, keep the crankset dry to prevent rusting, especially after riding in wet conditions.