TheShimano PD-GR500 MTB Pedals has a GR500 platform pedal with concave platform for better control and efficiency. Shimano PD-GR500 MTB Pedals Features Extra-wide and low profile durable flat pedal for entry-level Trail and All-Mountain riding Long replaceable pins, screwed in from the back for easy maintenance low-maintenance sealed cartridge bearing chromoly axles Weight: 533g/pair More info