World-Class Road Racing Performance Shoe
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The S-PHYRE RC910 features a redesigned carbon hollow core sole that lowers the distance between your foot and the pedal axle, creating Shimano’s lowest stack height ever. The result is a more connected ride feel, improved pedaling efficiency, and more direct power transfer with every pedal stroke.
Featuring the new SHIMANO DYNALAST 2.0 platform, the RC910 has been completely refined to match the shape of riders’ feet better. A wider forefoot, optimized toe box, and reduced toe spring decrease pressure across sensitive areas of the foot while maintaining the secure locked-in feeling demanded by professional racers.
Overall rating: 4.5 / 5 from 4 reviews.
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"The shoe takes way less time to break in than the previous version. I really like the 3rd option. I will say that it does size up 1/2 size though. So while I used to ride a 45.5 I ended up with the 45 and that fits the same as the old 45.5. Shimano was super easy to work with on the return and getting me a new pair. So for that I give them a 5 star."
"Love that the tightening clip does not solely rest on my 5th metatarsal, they moved it a few mm up which is great. However, they seem a bit longer than my current 44w. If I buy another pair I will size down 1/2z"
"I put roughly 8,000 miles on the RC903 in size 43. I loved the shoe, but my biggest complaint was the narrow forefoot: as my feet expanded during rides, my toes would start feeling squeezed and I routinely had to loosen the front BOA--sometimes 30 minutes in, sometimes several hours in. And I don't even have wide feet. They're relatively narrow. For the RC910, I ordered four sizes to get it right: 43 Standard, 43 Wide, 43.5 Standard, and 43.5 Wide. I ultimately kept the 43.5 Wide, and the new fit is a major improvement. The wider toe box finally gives my forefoot room to expand without losing the secure lock down. Shimano says the RC910 fits roomier, but I still personally preferred the 43.5 as opposed the 43 in my A-B testing. I think the Wide RC910 will be especially popular. Shimano shoes have had a combination of performance, function, and aesthetics, but the narrow RC903 fit simply didn't work for a lot of riders. The RC910 opens that door considerably. Also worth mentioning: Shimano's return process was painless. As long as I didn't install cleats or ride the shoes, returning the other three pairs was straightforward and easy. Bottom line: If you liked everything about the RC903 except the cramped forefoot, the RC910 Wide is absolutely worth trying. 5/5 Shoes 3/5 Value (it's relative)"
"Prompt. On time. True to fit. Clean. Dialled."
