Size specific enthusiast-level platform pedal provides optimal shoe/pedal interface.Key Features:Optimal surface areaMinimal profile 16mm thin10 adjustable pins per side for gripPremium bearings & seal systemStamp small recommended for shoe sizes: 5-10 (US) // 37-43 (EU)Stamp large recommended for shoe sizes: 10-15 (US) // 43-49 (EU)Specification:Adjustable Pins: 10 Per SideBody Material: A380 AluminiumEndcap: T15Footprint: 100mm X 100mmInner Bearing Type: Igus BearingMax Rider Weight: No RestrictionOuter Bearing Type: Double Cartridge BearingShoe Size: US 5-10 // EU 37-43Spindle Material: Forged Scm 415 Chromoly SteelWarranty: 5 YearsWeight: 439g Per Pair