Premium Triathlon Cycling Shoes

Designed for sprint and Olympic distance triathlon races, the S-PHYRE TR903 sets a new standard for comfort, power transfer, efficiency, and transition speed.


HIGHLIGHTS

The first multi-sport cycling shoe to earn Shimano's top tier S-PHYRE designation, the TR903 are the ultimate choice for speedy transitions and peak pedaling performance

Race-Tuned Closure System: Micro-adjustable BOA Li2 dial paired with fast-drying T1 Quick Strap deliver a truly precise fit with no energy wasting fore/aft or up/down foot movement

Cool and Dry: Water-resistant synthetic microfiber upper utilizes variable size perforation holes and a pair of mesh panels over the forefoot to boost ventilation and promote quick drying

Power Transfer: Stiff carbon sole and low stack height midsole that places your foot closer to the pedal axle combine to deliver efficient pedaling performance

Engineered Support: Supportive heel stabilizer cradles foot in optimal power producing position


FEATURES

Ultimate Foot Security
Micro-adjustable BOA Li2 dial combined with T1 Quick Strap provide perfectly even closure tension for secure and comfortable pedaling performance, while supportive heel stabilizer cradles foot in optimal power producing position for intense accelerations and sustained high-cadence efforts.

Triathlon Specific Technology
Large heel loop is easier to grab during transitions, while rigid hollow carbon midsole features water drainage ports to help your feet dry quicker after swim leg, and barefoot-friendly liner with soft padding promotes comfortable sockless riding.

Built for Speed
The first multi-sport cycling shoe to earn Shimano's top tier S-PHYRE designation, the TR903 are the ultimate choice for speedy transitions and peak pedaling performance

Race-Tuned Closure
Micro-adjustable BOA Li2 dial paired with fast-drying T1 Quick Strap deliver truly precise fit with no energy wasting fore/aft or up/down foot movement

Cool and Dry
Water-resistant synthetic microfiber upper utilizes variable size perforation holes and a pair of mesh panels over the forefoot to boost ventilation and promote quick drying

Peak Power Transfer
Stiff carbon sole and low stack height midsole that places your foot closer to the pedal axle combine to deliver efficient pedaling performance

Engineered Support
Supportive heel stabilizer cradles foot in the optimal power producing position for intense accelerations and sustained high-cadence efforts


SPECIFICATIONS

MODEL NO : SH-TR903
SERIES : S-PHYRE
Model year : 2025
Line up year : 2025
Segment/Category : ROAD/Triathlon
Product name : TR9
Cleat type : SPD-SL
Last type : SHIMANO DYNALAST
Stiffness index : 10
Best match pedal : PD-R9100



FEATURES

* Wider cleat adjustment range
* Seamless midsole structure
* Surround wrapping upper
* Heel stabilizer
* Carbon sole/Mid sole


TECHNOLOGY

* SHIMANO DYNALAST
* Silvadur
* Closure : BOA Fit System featuring Dial Li2, Quick strap
* 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
* Actual weight (Size: 42) : 254g