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S-PHYRE SH-RC903

Premium Road Competition Cycling Shoe Optimized For Speed

$480.00
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Men's Women's
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Supremely engineered for your fastest efforts. With its ultra sleek lines, optimal power transfer, and refined pro-grade features, the RC903 is the culmination of our most advanced technologies for a performance elevating race shoe that feels and functions unlike anything you’ve worn before.

⚠️ WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov

  • Premium Road Cycling Shoe: S-PHYRE RC903 is a high performance road racing shoe compatible with SPD-SL cleats
  • Precise Fit: dual low-profile BOA® Li2 dials deliver quick and precise micro-adjustments
  • Optimum Stiffness: reduces energy loss and maximizes power transfer
  • Anti-twist Heel Cup: stabilizes heel to help manage the intense twisting forces caused by explosive acceleration
  • Breathable Shoe: lightweight micro-fiber leather upper with perforated venting keeps feet cool during even your sweatiest pursuits
  • Cleats sold separately

Ground (non-expedited) orders will leave our distribution centers within 72 hours.
Expedited orders (Overnight and 2-day) will leave our distribution center within 24 hours.

We ship Monday - Friday and are closed weekends and holidays. We cannot guarantee carrier travel time. Delivery time is only an estimate and is based on standard conditions and carrier service estimates.

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Flat Rate Ground Shipping $5 $20 Return Fee Up to 1 Year Warranty

Focus on Every Detail

S-PHYRE

S-PHYRE is our flagship racing line that combines scientific-guided designs with professional insights to help you pedal harder, race faster, and see clearer.

Built for performance

Anti-twist stabilizing structure within the heel cup offers unparalleled stability during explosive sprints. DYNALAST technology secures your foot in place, reducing power loss at the pedal and lessening fatigue during long rides, while the optimized toe-spring section reduces tension in your feet, calves, and hamstrings - so you can go further, faster.

Exceptional fit

How a shoe fits and feels defines its performance. The RC903 takes both to the next level with a 360º surround wrapping upper, a refined toe box fit, and a low-profile crossover lacing pattern with two BOA® Li2 dials for the most precise fit possible.


Media Reviews

"Best all-around race shoe"
"The Shimano S-PHYRE RC9 shoes have been a favorite of many testers on the Cycling Weekly Tech Team."
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"The sole is impressively stiff, flexing only 1.4 millimeters in our in-house deflexion test."
"This is a high-performance shoe that makes no deliberate performance sacrifices for the sake of increased comfort, yet we’ve found that it feels impressively easy to wear and light on our feet."
"The Shimano S-PHYRE RC903 is a gorgeous shoe that does a great job holding your forefoot right where it should be."
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"Vertical space in the front end of the shoe is ample, giving the toes plenty of space to breathe and never feel squished from above. This gives the S-PHYRE RC903 the slipper-like feeling over the top of the midfoot that so many cyclists love."

Overall rating: 4.5576925 / 5 from 52 reviews.

AI Generated Review Summary

Summary topics

Review topics: ["shoes","fit","price","shimano","toe box","stiffness","quality","light","work","boa","weight","size"].

Review highlights

Reviews

Best Shoes I've worn

"Most comfortable, stiffest shoe I've purchased in my life."

— Brandon S. (5/5)

The best shoes

"Love them."

— Jeffrey L. (5/5)

A safe order for me

"A safe order for me as I fit shimano’s well Very impressed with the weight and stiffness"

— Ben K. (5/5)

feels great

"NICE"

— Victor T. (5/5)

Amazing Shoes

"I am a 65 years old cyclist who picked up road cycling for the second time in life after turning 52 years old. During this period I was not willing to spend more than 250 dollars on bike shoes. I have to admit that I was making a bad mistake. These top tier Shimano shoes just helped me improved my pedaling quality in a remarkable way, specially when out of the saddle. Also, I am amazed by their power transfer. So much better! Great shoes without a doubt!"

— Alberto M. (5/5)

The best cycling shoes ever

"The best cycling shoes ever"

— Mohammed Y. (5/5)

The factory insoles quality DO

"The factory insoles quality DO NOT match your pricing, had to purchase inserts..also not enough choices in wide width"

— Douglas S. (4/5)

Excellent shoe

"Excellent shoe"

— William O. (5/5)

Awesome

"Awesome"

— Natalia R. (5/5)

Ideal stiffness, great walking traction, comfy

"And light!"

— Harold S. (5/5)

Q&A

I received the shoes with medium and high arch insole pads. Are there low arch/flat foot pads, should I ride without the pads installed, or should I seek third party insoles?
Hello Tim, Using just the insole with none of the arch support pads will be the base low support fit.
How is the fit on these new model? The last one was very tight even wit the wide version. Is it true to size?
Hello Jose, The RC903 upper is completely different pattern and new material. The new upper material is microfiber leather that is more elastic and accommodating but still very supportive and snug fitting. The toe box are has also been re-shaped to be more round and curved and less pointy, to allow a bit more toe room. Both of these updates are intended to improve the fit and accommodate a broader range of foot shapes. The sizing should be more in line with the RC901 and true to size.

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