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1647147 / 54295419060570

Product Details

Shimano RC903 S-Phyre Womens Road Cycling Shoes

Lighter and better fitting than their RC902 predecessor, the WorldTour tested Shimano RC903 S-Phyre Womens Road Cycling Shoes shed weight thanks to an upgraded upper, and this version has a slightly reduced volume and narrower fit that tends to offer an improved fit for female riders. 

The microfibre synthetic leather upper includes micro-perforations and the lower section of the tongue uses a perforated mesh to enhance breathability. It's supple and a 360° surround wrap secures and stabilises the foot within the shoe. Two BOA dials allow plenty of lace tension adjustment. 

Another update that comes into its own during sprints and hard efforts is the heel cup, which now incorporates an anti-twist feature that locks the heel in place. A full carbon outsole ensures all watts are transferred through the pedals, with a seamless midsole eliminating the need for a lasting board, and subsequently reducing stack height.  

Sizing note: 

Shimano shoes run small. If you usually wear a 44, order a 45 here. If you're between half sizes, always go up.

Features
  • Upgraded upper pattern and fabric for improved fit and weight reduction, shedding 20 grams per pair off the RC902
  • Flexible microfibre synthetic leather upper refines the fit, increasing comfort and reducing hotspots
  • Micro-perforations for superior breathability even during high-intensity riding
  • Dual BOA® Li2 dials for aerodynamic adjustment
  • 360° surround wrapping upper ensures a 'sock-like' fit
  • Seamless midsole eliminates the lasting board, significantly reducing stack height and boosting power transfer
  • Tried and tested RC902 full carbon outsole with anti-twist heel cup stabiliser
  • Stiffness rating: 12
  • Compatibility: Three-bolt SPD-SL road shoes
  • Manufacturer claimed weight: 225 grams (per shoe, size 42)
Specifications
Composition
100% nylon
Cleat Compatibility (Road)
3-bolt (Look/SPD-SL)
Shoe Size System (Footwear)
EU
Closure Type
boa
Family
S-PHYRE
Fit Note
runs-small
Gender
Women's
Intended Use (Footwear)
Road Cycling
Primary Material (Upper)
Synthetic
Stiffness Index
12
Weight (grams)
225 g
Width / Fit
narrow
Breathability Rating
High
Materials (Detailed)
upper-synthetic-leather, outsole-carbon-fibre
Outsole Type
Carbon Fibre
Product code
1647147 / 54295419060570
Size Guide
Size EULength (Cm)
3522
3622.5
3723.5
3824
3924.5
4025.5
4126
4226.5
4327.5
4428

Sizing note: Shimano shoes run small. If you usually wear a 41, order a 42 here. If you're between half sizes, always go up.

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Care
Composition: 100% nylon
Shipping & Returns

Free UK delivery on orders over £50. Orders are dispatched within 1-2 working days and typically arrive 1-2 working days later.

Return unused items in their original packaging within 30 days of delivery. Return postage is £3.50.

Q & A

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About Shimano

Shifting the way the world rides.

From a single Osaka workshop in 1921, Shimano has grown into the world's most influential component maker. The brand's relentless engineering — Dura-Ace, Ultegra, GRX, XTR — has shaped the way the world shifts, brakes and rides, on the road and off it.

Shimano's flagship groupset, Dura-Ace, has been the benchmark for top-level road components for more than five decades. Every refinement that lands on Dura-Ace eventually shapes the entire Shimano range, all the way down to entry-level drivetrains.