The Shimano S-Phyre XC903S is Shimano’s flagship XC race shoe, offered here in a Special Edition colorway for riders who want elite performance with standout style. Built for cross-country and marathon racing at the highest level, it combines an ultra-stiff carbon outsole, precise BOA® Li2 adjustment, and a low-volume race fit for maximum efficiency when every watt counts.
Key Features
- Special Edition (S) colorway for a unique, race-ready look
- Wraparound upper construction reduces overlap and hot spots
- Dual BOA® Li2 dials provide low-profile, precise micro-adjustment
- Ultra-stiff carbon outsole maximizes power transfer
- Lightweight rubber outsole with aggressive tread for traction off the bike
- Reinforced toe protection improves durability in technical terrain
Specifications
| Intended Use | Cross Country, Mountain, Gravel |
| Upper | Synthetic leather with wraparound construction |
| Closure System | Dual BOA® Li2 dials |
| Outsole | Carbon fiber composite with rubber tread |
| Stiffness Index | 11 (Shimano scale) |
| Cleat Compatibility | 2-bolt SPD-style |
| Approx. Weight | ~310g per shoe (EU 42) |
| Width | Standard |