- - Shimano Reimagines Its Flagship RC903 S-PHYRE Road Shoe

Shimano Reimagines Its Flagship RC903 S-PHYRE Road Shoe

Relying on feedback from top pro’s in the men’s and women’s peloton such as Mathieu van der Poel, Primož Roglič, Romain Bardet and Lorena Wiebes, Shimano has reimagined its flagship RC903 S-PHYRE road shoe, offering improved comfort, lower weight and sleeker lines than its predecessor.

“The new RC903 and RC903W delivers a rigid and responsive feel. Add this efficiency to the unmatched fit and style, and the new S-PHYRE RC903 provides everything needed for tackling your next outing, whether you’re a WorldTour professional, a local criterium racer, or simply a weekend warrior chasing new personal bests on the bike,” boasts Shimano. 

Employing its proprietary pedaling analyzer, Shimano engineers examined 3D data to better understand how riders apply pressure throughout their pedal stroke, identifying distinct zones where force is exerted differently across the shoe. From there, they optimized the new RC903 and women’s RC903W shape and materials to maximize power transfer while maintaining comfort.

Amplifying a slipper-like feel is a BOA Li2 fit system, where two lightweight dials and a new crossover lacing pattern unite to deliver customized micro-adjustability so riders can easily tweak fit—even on the fly.

Additionally, the new RC903 features a new heel cup with a more integrated appearance, while Shimano’s unique Dynalast shape delivers an expanded fit range to accommodate a wider variety of foot shapes and sizes.

The result is a new, secure, anti-twist, stabilizing heel cup that optimizes fit and foot stability, holding the rider’s heel in place to prevent movement during hard efforts. 

The RC903W women’s S-PHYRE shoe offers the same premium performance features, but in a refined last shape designed specifically for women, wherein the shoe is lower in volume and has a narrower fit that more closely aligns with women’s foot shapes and contours. The RC903W shoe also features a unique colorway and graphics to set it apart as the premier women’s race shoe on the market. The new men’s and women’s RC903 S-PHYRE sells fOR $450, and is available in the following sizes and colorways. 

  • Weight: 225g (size 42)
  • Men’s Colors: White, Blue, Red, Black
  • Men’s Sizes: 40-48 (half sizes available 40-46.5) Wide Sizes: 40-46
  • Women’s Colors: White
  • Women’s Sizes: 36-44 full sizes



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