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.
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
Specifications
Stiffness index: 12
Best match pedal: PD-R9100
Features Wider cleat adjustment range: Yes
Features Seamless midsole structure: Yes
Features Function specific zones: Yes
Features Anti-twist stabilizer heel cup: Yes
Features External heel cup: Yes
Features Replaceable heel pad: Yes
Features Hollow channel: Yes
Features Carbon sole/Mid sole: Yes
Technology SHIMANO DYNALAST: Yes
Technology Silvadur®: Yes
Closure: BOA® Fit System featuring Dial Li2, Powerzone lace guide
Upper Material: Microfiber Synthetic Leather+Mesh
Outsole Material: TPU (cover)
Midsole Material: Carbon fiber composite
Standard insole: High density cup insole with adaptable arch pads
Mfr Claimed Weight
250g
Shimano SH-RC903 PWR S-Phyre Road Shoe - White
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.
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
Specifications
Stiffness index: 12
Best match pedal: PD-R9100
Features Wider cleat adjustment range: Yes
Features Seamless midsole structure: Yes
Features Function specific zones: Yes
Features Anti-twist stabilizer heel cup: Yes
Features External heel cup: Yes
Features Replaceable heel pad: Yes
Features Hollow channel: Yes
Features Carbon sole/Mid sole: Yes
Technology SHIMANO DYNALAST: Yes
Technology Silvadur®: Yes
Closure: BOA® Fit System featuring Dial Li2, Powerzone lace guide
Upper Material: Microfiber Synthetic Leather+Mesh
Outsole Material: TPU (cover)
Midsole Material: Carbon fiber composite
Standard insole: High density cup insole with adaptable arch pads
Mfr Claimed Weight
250g
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