Shimano SH-RC503 Wide shoes 2026
With road racing technology, a sleek upper and a redesigned forefoot, the RC503 looks and feels like a high-end cycling shoe. The updated closure system replaces the strap on the upper with a lace profile designed by SHIMANO for an even better fit. We've incorporated recycled materials into the carbon-reinforced midsole to maintain stiffness and stability.
Features
- BOA® adjustment system with L6C dial and lace profile designed by SHIMANO.
- Carbon fibre reinforced nylon midsole for power transfer.
- The integrated, seamless midsole and upper ensure optimal fit and stability.
- 23% recycled material used in the toe cap and midsole (by weight).
- Stylish upper made from perforated synthetic leather and new closure profile.
- Low-profile midsole stabilises the foot and maximises power transfer efficiency.
- The wraparound upper construction reduces overlap and provides a perfect fit.
- Closure: BOA® Fit System with L6 knobs.
- Upper material: Synthetic leather.
- Outsole material: TPU (cover).
- Midsole material: Carbon fibre reinforced nylon.
- Standard insole: Standard cup insole.
- Actual weight: 256 g (size 42 / US 8.5).
Technologies
Shimano Dynalast
SHIMANO DYNALAST provides the right amount of flexibility and rebound to enhance every pedal stroke. Many cycling shoe lasts have flatter heels and a very pronounced toe curve. SHIMANO DYNALAST features an anatomical shape with optimised heel and toe curves that follow the natural contours of the foot and reduce tension. This allows the heel to sit deeper in the shoe, while the forefoot is supported by a subtle toe curve, specially designed for cyclists.