Supremely engineered for your fastest efforts. With its ultra sleek lines, optimal power transfer, and refined pro-grade features, the RC903 is the culmination of our most advanced technologies for a performance elevating race shoe that feels and functions unlike anything you’ve worn before.
- Premium Road Cycling Shoe: S-PHYRE RC903 is a high performance road racing shoe compatible with SPD-SL cleats
- Precise Fit: dual low-profile BOA® Li2 dials deliver quick and precise micro-adjustments
- Optimum Stiffness: reduces energy loss and maximizes power transfer
- Anti-twist Heel Cup: stabilizes heel to help manage the intense twisting forces caused by explosive acceleration
- Breathable Shoe: lightweight micro-fiber leather upper with perforated venting keeps feet cool during even your sweatiest pursuits
