Shimano S-phyre RC903W White

Cycling Shoes (Race) for Women Shimano S-Phyre RC903 White

The Shimano S-Phyre RC9W - White embody absolute excellence of the women's road shoe. A true flagship model of the S-Phyre range, they are designed for the most demanding competitors, looking for maximum yield, ultra-precise fit and irreproachable comfort, even at very high intensity.

Lighter, more clean and even more efficient, the RC903W benefit from technologies Shimano The most advanced, associated with a form specifically developed for the female foot anatomy.

High-end design and lightness

Breathable microfiber stem

Microfiber, fine and breathable synthetic leather upper, offers precise fit and sustainable comfort. It perfectly matches the shape of the foot while limiting the weight, for a sensation of immediate lightness from the first pedal towers.

360 ° wrapping structure

The 360 ° wrapping rod surrounds the foot homogeneously, creating a real cocoon. This design reduces pressure points and improves stability, even in the most intense efforts.

Dedicated functional areas

The RC903W integrate specific areas optimized for each function of the foot, guaranteeing a perfect balance between maintaining, targeted flexibility and pedaling efficiency.

Adjustment and Precision Maintenance

Boa® Fit System Li2 Double Disc

The BOA® FIT SYSTEM tightening system with Double Li2 disk allows fast, precise and independent micro-adjustments. It ensures a personalized, stable and perfectly distributed maintenance on the entire foot.

Specific form for women

The Shape Shimano Dynalast Women's is specially developed to adapt to the reduced volume and closer female foot profile. It guarantees a natural, comfortable and efficient fit on all distances.

Stabilization of the heel anti-torsion

The outer heel bowl, combined with an anti-torsion stabilization system, keeps the foot perfectly in place. It promotes free accelerations and total high-speed control.

Ultimate power transmission

Carbon sole with maximum rigidity

The carbon fiber composite midsole offers exceptional power transfer. Its rigid design guarantees an immediate response at each pedal stroke, without loss of energy.

Stiffness index Shimano

Stiffness index Shimano : 12, the highest in the range, intended for high-level competition and cyclists looking for uncompromising performance.

Pedal compatibility

SPD-SL compatibility

The Shimano S-Phyre RC903W are compatible with SPD-SL holds, offering a wide support surface and a direct and secure connection with the pedal, ideal for extreme efforts.

Recommended pedals

• NA-r9100

Shimano Dynalast Technology

Principle

Shimano Dynalast technology is based on an optimized anatomical shape that improves foot alignment with the pedal and promotes a more fluid and efficient pedaling.

Benefits for use

It reduces muscle fatigue, stabilizes the heel and keeps a high level of performance, even on prolonged or at the end of the race.

Technical characteristics

General information

• Model: SH-RC903WOMEN
• Product Name: S-Phyre RC903 for Women
• Segment / Category: Road
• Year Model: 2023
• Year of alignment: 2025
• Sex: Woman

Construction

• Closing: Boa® Fit System with Double Disk Li2
• 360 ° enveloping stem
• Seamless intermediate structure
• Anti-torsion heel stabilizer
• External heel bowl
• Replaceable heel pad
• Technology: Shimano Dynalast
• Silvadur® antibacterial treatment

Outsole

• Intermediate sole: carbon fiber composite
• Outdoor sole: TPU (coating)
• Insole: High density bowl insole with adaptable plantar reinforcements

Compatibility holds

• SPD-sl

Rigidity

• Stiffness index Shimano : 12

Weight (kg)

• 215 g in size 40

Available sizes

From 36 to 44

In summary

The Shimano S-Phyre RC903W are ultra-high-end female road shoes, designed for competition and absolute performance. They offer custom adjustment, maximum power transmission and exceptional lightness. The ultimate choice for ambitious cyclists who are aimed at excellence, without any compromise.