Whether you're training for a new personal record or fighting for a podium place at the next race, the SHIMANO RC503 will support you with the performance, comfort and functional features of a race shoe.
- BOA® Fit System with L6C twist lock and SHIMANO-developed lacing profile
- Carbon fiber reinforced nylon midsole for efficient power transfer
- Seamless integration of midsole and upper for optimal fit and stability
- Toe box and midsole made from 23% recycled material (by weight)
- Slim upper shoe made of perforated synthetic leather with new closure profile
BOA System
The Boa® system offers infinitely variable adjustment for the perfect fit. Flying one-hand adjustment, secure tightening and quick release.
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