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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 Free Returns & Exchanges 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."
Read more
"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: 4.581818 / 5 from 55 reviews.

AI Generated Review Summary

The S-PHYRE SH-RC903 is a premium road competition cycling shoe designed for speed. Customers appreciate its exceptional fit and comfort, though feedback on the price is mixed.

Summary topics

  • Fit (18%): A significant amount of customers expressed appreciation for the exceptional fit and comfort of the product, mentioning it multiple times.
  • Price (18%): The feedback is varied, with some praising the great price and others finding it grossly over-priced.

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

Review highlights

  • "Amazing fit and comfort." — Aman U.
  • "Great fit, very comfortable and the sole is stiff for more power transfer." — Scott M.
  • "Very comfortable, and exceptional fit." — Aman U.

Reviews

Shimano Shoes

"Awesome as usual. Like the bigger heal as it seems to more naturally grab my foot. The 44.5 fit me much better now than the 44s that I've used my whole life; but again very happy with the shoes. No breaking in required and immediately felt a perfect fit. Plus its so easy to put the cleat in the right spot with all of marks on the sole. No adjustments needed. Put in exactly the right spot and took like 5 mins to do the job. 100 percent easier than it used to be in the olden times :-)"

— todd b. (5/5)

I had no idea what I was missing

"These were my first new cycling shoes in five years, and I honestly had no idea how much performance I was leaving behind with my old, softer shoes. The power transfer is exceptional, and I immediately felt more connected to the bike. The fit has been excellent for me, with no hot spots or discomfort during rides ranging from one to ten hours. The breathability is equally impressive. I originally thought something was wrong because I could feel so much air moving through them! The white color also stays noticeably cooler in direct sunlight than my old black shoes. Best of all, my five-year-old looked at them and said, “Are those your new shoes, Daddy? They’re stylish!” I genuinely feel good every time I put them on. I also had occasion to contact Shimano about my order, and their customer service was exceptional. Their responsiveness and genuine care reinforced my confidence in the company behind the product. They have a customer for life!"

— Andy (5/5)

Riding shoes

"I really like how airy these shoes are. You can feel the air pass through the shoes. Nice looking too."

— Dave D. (5/5)

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)

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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