RC903 S-PHYRE Cycling Shoe delivers pro-level stiffness and precision for maximum speed
What Our Gearhead® Experts Are Saying:
"These shoes are ridiculously good. The stiffness is unreal—in the best way—and the dual BOA dials make micro-adjustments super easy mid-ride. The heel cup really does keep everything locked down during big sprints, and the upper breathes surprisingly well for how supportive it is. They feel like a true race shoe: efficient, secure, and fast."
We turn to the RC903 S-PHYRE Cycling Shoe when we’re chasing every watt and looking for a race shoe that responds instantly. Built with a featherlight microfiber upper, the RC903 wraps the foot in a seamless 360-degree fit that stays supportive through tempo pacing, long climbs, and explosive accelerations. Dual BOA Li2 dials give us precise micro-adjustments, letting us fine-tune the tension for optimal comfort and power transfer.
A rigid carbon sole maximizes efficiency, turning every pedal stroke into clean acceleration when we’re sprinting for the line or pushing a solo breakaway. The anti-twist heel cup locks the rear of the foot in place for stability during hard surges, while perforated venting keeps air moving to prevent overheating. With pro-ready stiffness and speed-focused design, these shoes elevate our performance on every ride.
Details
- Premium road racing shoe built for maximum power and speed
- Ultra-stiff carbon sole optimizes energy transfer
- 360-degree wrap upper delivers secure, supportive fit
- Dual BOA Li2 dials enable precise, on-the-fly micro-adjustments
- Anti-twist heel cup enhances stability during sprints
- Perforated microfiber upper boosts breathability
- Item #SHIU30X
- Upper Material
- micro-fiber leather
- Lining
- textile
- Closure
- 2 BOA Li2 Fit Systems
- Sole
- carbon fiber
- Cleat Compatibility
- 3-bolt
- Activity
- road cycling
- Manufacturer Warranty
- 1 year