Shimano PD-R550 SPD SL Road pedals, resin composite, blackSPD SL road pedal for entry level use at a value for money price Wide lightweight resin body provides large shoe contact area to maximise power transfer and support whilst reducing weight Low maintenance sealed cartridge axle unit The low profile platform with open design allows for easy access and cleat adjustments Easy to clip into and release but with stable fit for maximum power transfer to the pedals Wider cleat and binding mechanism for better