The new 2023 Shimano S-Phyre RC903 have finally been released coming in lighter with more ventilation & 5 new color options
The Shimano S-Phyre is the cycling shoe that many riders call their all time favorite. The super lightweight, stiff, but comfortable design with an upper that wraps around the foot featuring hyper personalized tension settings is what makes people fall in love with this shoe. The new 2023 Shiman S-Phyre version of the shoe has been spotted on Mathieu Van Der Poel for most of the season, and now we’ve got all the details to share with you.
With an updated toe box that allows for even better than the already great tensioning system up front is said to provide more comfort and support up front. Another exciting update for the 2023 Shimano S-Phyre RC903 is that the shoe comes in both standard fit, and women’s specific fit. The mens shoe comes in 4 colors, while the women’s specific fit comes it’s own unique all white finish.
Main Features
- BOA Li2 dials
- Low-profile crossover lacing pattern
- Lightweight and breathable microfiber leather upper
- Secure anti-twist stabilizing heel cup
- Refined toe box fit
Weight, Sizing & Colors
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
Price
Shimano RC903, US $450
Shimano’s Press Release
For those constantly pushing their limits and searching for maximum performance, the all-new RC903 and RC903W women’s road shoes deliver the ultimate in road racing footwear.
Pushing hard over rolling terrain. Carving perfect high-speed turns through tight switchbacks. Crushing a precipitously steep climb. Sprinting for the town limits sign against your riding buddies. There is something truly special about giving your all on the bike and knowing that every ounce of energy you put in is transformed into pure pedaling power.
To maximize your efforts on the bike and reach that peak performance, Shimano introduces the newly updated, best-in-class RC903 S-PHYRE Road Shoes. Following extensive, scientific testing and utilizing world class professional riders (Mathieu van der Poel, Primož Roglič, Romain Bardet, and Lorena Wiebes among others will showcase the RC903 shoes at the World Championships) these flagship shoes are the ultimate in elite racing apparel, offering improved comfort, lower weight, and sleeker lines than their predecessor.
Engineered Fit
Employing its proprietary Bikefitting.com pedaling analyzer, Shimano engineers examined 3D data to better understand how riders apply pressure throughout the pedal stroke, identifying distinct zones where force is
exerted differently across the shoe. They then optimized the new RC903 and women’s RC903W shape and
materials to maximize power transfer while maintaining comfort.
Amplifying this slipper-like feel is the BOA Li2 fit system, where two lightweight dials and a new crossover lacing
pattern unite to deliver customized micro-adjustability so you can easily tweak fit—even on the fly. The new
RC903 also features a new heel cup with a more integrated appearance. 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 your heel in place to prevent movement during hard efforts.
Women’s Specific Fit
The RC903W women’s S-PHYRE shoe offers the same premium performance features but in a refined
last shape designed specifically for women. 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 in the market.
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