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Shimano S-Phyre TR903 Shoes
Sale price
$385.00
Regular price
$385.00
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SKU: ESHTR903MCB01S36000 Option: Blue / 36
Pickup available at RA Cycles Brooklyn
Pickup available at RA Cycles Walnut Creek
Stock Availability by Location
RA Cycles Brooklyn In stockLow stock (1 left)Low stock (2 left)— Out of stock— Not immediately available
105 5th Ave, Brooklyn, NY 11217718-636-5242
* Available for in-store pickup in 2-4 hours
* Available for in-store pickup in 2-4 hours
* Available for in-store pickup in 2-4 hours
RA Cycles Walnut Creek In stockLow stock (1 left)Low stock (2 left)— Out of stock— Not immediately available
2099 Mt Diablo Blvd, Walnut Creek, CA 94596925-433-7099
* Available for in-store pickup in 2-4 hours
* Available for in-store pickup in 2-4 hours
* Available for in-store pickup in 2-4 hours
Distribution Center - East In stockLow stock (1 left)Low stock (2 left)— Out of stock— Not immediately available
Distribution Center - Central In stockLow stock (1 left)Low stock (2 left)— Out of stock— Not immediately available
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Shimano S-Phyre TR903 Shoes
$385.00
Shimano S-Phyre TR903 Shoes Info
The Shimano S-Phyre TR903 Shoes are Shimano's triathlon-specific shoe in the S-Phyre line, built around a simple problem: sprint and Olympic-distance racing is won and lost in transitions as much as on the bike. Everything about the TR903 is aimed at getting you out of T1 and up to speed with as little wasted motion as possible.
The T1 Quick Strap and an oversized heel loop let you get the shoe on and secured in seconds, while a barefoot-friendly liner with soft padding makes sockless riding comfortable rather than something you just tolerate for speed. Once you're moving, the BOA® Li2 dial applies even tension across the foot in a few clicks, locking in a precise fit without the energy-wasting slop that loose straps or laces can leave behind. Drainage ports and a hollow carbon midsole clear water from the shoe after the swim leg, so you're not pedaling the bike leg in a boot full of water.
On the bike, the carbon sole's low stack height puts your foot closer to the pedal axle, which improves power transfer during hard accelerations and sustained efforts. A heel stabilizer keeps your foot positioned correctly as you push through intense pedaling, and the water-resistant synthetic microfiber upper uses variable perforations and mesh panels to keep feet cool and dry the shoe out quickly between the swim and the ride. The TR903 comes in Blue and Gunmetal, with a wide size range that includes half sizes for a closer fit. For triathletes racing shorter, faster formats where transition time counts as much as bike splits, the TR903 is built specifically for that math.
The RA Perspective
We recommend the TR903 to triathletes who are racing sprint and Olympic-distance events and actually care about their transition times, not just their bike splits. The single BOA Li2 dial is the standout feature here — one twist gets you locked in evenly across the foot, which matters when you're coming out of the water with cold, wet hands and don't want to fight with buckles.
The drainage system works as advertised. Water clears out of the midsole quickly once you're on the bike, so you're not riding the first few miles with soggy feet weighing you down. The tradeoff is that this is a race-day shoe first — the barefoot-friendly liner is comfortable for sockless riding over shorter distances, but it's not the shoe we'd point someone toward for long-course or Ironman-distance racing where hours in the saddle change the comfort calculus.
The low stack height and stiff carbon sole translate directly into power transfer on hard efforts out of T1, which is exactly when triathletes need it most — right as heart rate spikes and legs are still finding their rhythm.
We'd steer sprint and Olympic-distance racers toward the TR903, and point long-course athletes toward a shoe built more around all-day comfort.
Shimano S-Phyre TR903 Shoes Size Chart
Shimano Shoe Sizing
Shimano S-Phyre TR903 Shoes Video
PRICE MATCH GUARANTEE
We will price match against advertised or quoted prices from other authorized dealers of the product!