FEATURESConcave platform for better grip, long-ride comfort, and efficiencyHeight adjustable, bottom-loading replaceable pinsChrome-moly spindle and low-maintenance, sealed bearing cartridge axlePRODUCT SPECIFICATIONSMODEL NO: PD-GR500SERIES: SHIMANOColor: Black | SilverAverage weight: 533 ( /pair)Remarks 9 pins per platformCartridge axle: Type: Off-Road (Flat Pedal)Reflector: SM-PD64ASealed mechanism: Stack height (mm): 9.4