Premium Road Shoes for Sprinters and Power Cyclists
Designed for track racers, speedy sprinters, and pure time trial specialists, the S-PHYRE RC903 PWR cycling shoes deliver superb comfort with optimized foot security for efficient pedaling performance when it matters most.
Efficient Power Transfer
Reinforced surround wrapping upper with tongue delivers glove-like fit for enhanced rigidity and stability, while the stiff carbon sole and low stack height midsole promote maximum pedaling efficiency for optimal power transmission.
Ultimate Foot Security
Heel cup with anti-twist stabilization enhances foot hold during intense accelerations and sustained high-cadence efforts, while BOA Li2 dial with power boost cable guide provides perfectly even closure tension for secure and comfortable pedaling performance.
Features

Shimano’s most efficient cycling shoe utilizes a reinforced surround wrapping upper with tongue to deliver a glove-like fit for enhanced rigidity and stability
Race-Tuned Closure System: BOA Li2 metal dial paired with power boost guide and Velcro toe strap reduces foot movement and enhances power transmission
Lock Down: Heel cup with anti-twist stabilization assures optimally secure foot position during intense accelerations and sustained high-cadence efforts
Breathability: Variable size perforation holes in upper increase ventilation and add elasticity, helping accommodate a wider variety of foot shapes
Eye-Catching: New optical coating surface treatment yields dazzling color-shifting crystal finish on outsole and heel
Optimized Power Transfer: Ultra-stiff carbon sole and low stack height midsole that stabilizes foot results in efficient all-day pedaling performance