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RC903 Limited Edition S-PHYRE Cycling Shoe - Men's

5 out of 5 stars
3 Reviews
$356.25 - $475.00
Up to 25% off


Size Chart


Why We Like The Shimano RC903 Limited Edition S-PHYRE Cycling Shoe

With a unique high-performance design, the Shimano RC903 Limited Edition S-PHYRE Cycling Shoe is designed to help us ride faster, stronger, and longer. Chasing down breakaways barely poses a challenge with the optimal power transfer delivered from the stiffness level and precise fit from the dual low-profile BOA® Li2 metal dials and crossover lacing pattern. We can also be sure our foot will stay in the shoe securely with DYNALAST technology and an anti-twist heel cup designed to stabilize our heel as we make a big jump out of the saddle for a big acceleration.


  • A high-performance road cycling race shoe for serious riders
  • Feet stay cool with micro-fiber leather upper and perforated venting
  • Dual low-profile BOA® Li2 metal dials for a precise fit
  • High stiffness rating maximizes the power to pedal transfer
  • Toe-spring section is optimized to reduce tension in the lower body
  • An anti-twist heel cup keeps the heel stable during a big acceleration
  • 360º surround wrapping upper and refined toe box offer riding comfort
  • Compatible with SPD-SL cleats (not included)
  • Item #SHIU1IS
Upper Material
micro-fiber leather upper
dual low-profile BOA® Li2 metal dials
integrated seamless midsole
Cleat Compatibility
Claimed Weight
[single, size 42] 225g
Manufacturer Warranty
[apparel, footwear and wheels] 1 year
road cycling

Overall Rating

5 based on 2 ratings

Review Summary

1 Stars - 0 reviews
2 Stars - 0 reviews
3 Stars - 0 reviews
4 Stars - 0 reviews
5 Stars - 2 reviews

Fits True To Size

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Runs smallTrue to sizeRuns large

What do you think about this product?


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5 out of 5 stars

April 10, 2024

Great upgrade to a great shoe

I've used it several times
Size Bought:

These shoes look great and the new Boa closures are a nice upgrade to the prior generation.

5 out of 5 stars

March 24, 2024

The anticipated pain is somehow missing

I've used it several times
Size Bought:

I thought my feet would not fit into size 39, but they did and the shoes are comfortable. I feel more power transmission to the pedals then my old (more then 10 yr) SIDI shoes, thanks to the carbon fiber soles. The wire locks work well and can be tightened while riding. The only thing that is a mystery are the inserts that came with the shoes, that I do not know what to do with.