Compact body design with open binding for easy-entry Better mud and debris shedding than any pedal in its class Customize the entry and release tension settings Chrome-moly spindle and low-maintenance sealed bearing cartridge axle Details: Model: PD-M520 Pedal Axle: Chromoly Steel Pedal Body: Aluminum Type: SPD Weight: 380 grams SM-SH51 cleats included Compatibility: Shimano cleats: SM-SH51, SM-PD56