RP1 Series all-around performance road cycling shoe with shimano quality, comfort, and function. FEATURES. Comfortable fit and perfect support for pedaling. Dual hook and loop straps provide reliable and secure fit. Lightweight glass fiber reinforced nylon sole. Indoor cycling friendly SPD and SPD-SL cleat compatible. Reflective print on heel cup for improved visibility. Best Match: PD-R550, PD-R540, PD-R540-LA, PD-A520. (SPD pedals can be used only with SPD cleats with the adapter SM-SH40). Color: Black. Size: 40