shimano sh-rp1 high performing all-rounder cycling shoe, black, size: unisex eu 43 | mens us 8.5-9 | womens us 10-10.5 shimano the perfect shoe for any rider looking for a little more comfort without sacrificing performance. the rp1 reduces energy loss and fatigue with a stiff sole and custom-fit feel, making all the difference when you’re pushing your limits. this is a versatile shoe that is both road and indoor cycling friendly.