Shimano FC-R7100 105 Double 12-Speed HollowTech II Chainset

now from £109.70 save 3.85%

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price updated: 04/04/2026

Shimano FC-R7100 105 Double 12-Speed HollowTech II Chainset

Shimano FC-R7100 105 Double 12-Speed HollowTech II Chainset Shimano's FC-R7100 105 Double 12-Speed HollowTech II Chainset is compatible with HollowTech II bottom brackets and offers superlative shifting thanks to Hyperglide+ technology. This also allows wider spacing of the bottom bracket bearings for increased longevity and more efficient power transfer due to the larger bearings and an increased axle diameter. Weight is kept down without reducing stiffness by using hollow aluminium crank arms and the chainrings are anodised for durability and a smart aesthetic.

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About: Shimano

Shimano is a leading brand in the cycling industry, renowned for its high-quality components and innovative technology. The company offers a range of cycling products, including drivetrains, brakes, wheels, pedals, and shoes. Shimano's drivetrain components, such as its derailleurs and shifters, are widely regarded as some of the best on the market, providing smooth and reliable shifting for cyclists of all levels. The company's disc brakes are also highly regarded, providing excellent stopping power and modulation. With a commitment to innovation and a focus on the needs of cyclists, Shimano continues to be a go-to choice for cyclists looking for top-of-the-line components for their bikes.

About: Sigma Sports

Sigma Sports is a leading cycling and triathlon retailer based in the United Kingdom. Sigma Sports provides a comprehensive range of products catering to cyclists, triathletes, and outdoor enthusiasts. The store offers a diverse selection of bicycles, cycling accessories, apparel, and gear from well-known brands. Sigma Sports is known for its commitment to quality, customer service, and expertise in the cycling industry. The retailer has both a physical store and a robust online presence, making it convenient for customers to explore and purchase products. Sigma Sports is often associated with a wide range of cycling disciplines, including road cycling, mountain biking, and triathlon.

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