Shimano 105 FC-R7100 Double 12-Speed HollowTech II Road Chainset – Lightweight & Efficient
The Shimano 105 FC-R7100 Double 12-Speed Chainset with HollowTech II technology is a premium road bike crankset engineered for riders seeking lightweight performance, precise shifting, and efficient power transfer. Designed for modern 12-speed drivetrains, this chainset combines innovative materials, advanced engineering, and Shimano’s renowned Hyperglide+ compatibility to deliver smooth, responsive cycling performance.
- Shimano 105 FC-R7100 double 12-speed HollowTech II crankset
- Forged and anodised hollow aluminium crank arms for lightweight stiffness
- Chainrings designed for Hyperglide+ 12-speed chains for smooth, precise shifting
- Wider bottom bracket spacing for larger bearings and increased axle stiffness
- Compatible with Shimano external or press-fit bottom brackets
- Lightweight anodised aluminium chainrings for consistent, efficient power transfer
- Optimised for road cycling performance, climbing, and racing
Constructed from forged and anodised hollow aluminium crank arms, the HollowTech II design reduces flex while keeping weight low, providing a stiff and responsive platform for maximum power transfer. The lightweight anodised aluminium chainrings are specifically engineered to work seamlessly with Hyperglide+ 12-speed chains, ensuring consistent chain engagement, improved efficiency, and precise shifting under load.
The HollowTech II system allows the bottom bracket bearings to be spaced wider apart, accommodating larger, more durable bearings and a reinforced axle diameter for enhanced stiffness and longevity. Compatible with Shimano external and press-fit bottom brackets, this crankset simplifies installation, adjustment, and maintenance, making it suitable for both professional riders and enthusiastic road cyclists.
Ideal for 12-speed road bike drivetrains, the Shimano 105 FC-R7100 double chainset offers lightweight construction, smooth shifting, and optimized power transfer, elevating performance on flats, climbs, and high-speed descents.