Shimano RC903 S-PHYRE PWR Road Cycling Shoes

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price updated: 04/04/2026

Shimano RC903 S-PHYRE PWR Road Cycling Shoes

Shimano RC903 S-PHYRE PWR Road Cycling Shoes Made to excel in the heat of competition, intense training, and the lung-busting efforts of hanging with the local chop ride, the race-tuned Shimano RC903 S-PHYRE Road Cycling Shoes ensure you're the one doing the dropping of other riders when the watts spike.  Their closure system combines a BOA® Li2 metal dial, power boost guide, and secure toe strap to eliminate excess movement, ensuring every watt of power drives you forward. A breathable, stretch-resistant upper holds your foot firmly in place for optimal comfort and power transfer. Meanwhile, the heel cup with anti-twist stabilisation keeps you locked in during race-making accelerations and high-cadence interval efforts. This design means you can ride with confidence, focusing on your performance while leaving competitors behind to admire the shoes’ dazzling colour-shifting crystal finish on the outsole and heel. Precision engineering Every detail of the Shimano RC903 S-PHYRE PWR is precision-engineered for speed and comfort. The integrated seamless midsole and upper construction creates a lightweight, glove-like fit, while the low stack height midsole stabilises the foot and enhances efficiency. Rated with Shimano's highest stiffness score of 12/12 and weighing just 230g (size 42), these shoes push the limits of road cycling footwear. If you’re serious about unlocking your full racing potential, the RC903 S-PHYRE PWR isn’t just a purchase; it’s an investment in pure performance. Pedal Compatibility These cycling shoes are compatible with road pedal systems utilising the 3-bolt cleat system, such as Shimano SPD SL, Look Keo/Blade, Time Atac etc...

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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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