Country of Origin: Japan Material: Aluminum, Steel; Product Size: Tread: 4.1 x 2.8 inches (104 x 70 mm); Weight: 14.1 oz (414 g) (Pair); Pedal Shaft Size: 9/16 Aluminum Body / Double Sided Pedals. Left and Right Set Cup & Cone Bearings Color: Silver Easy Superior System *Not Compatible with Easy System Reflector Equippable Model *Please purchase the Reflector Separately with Toe Clip Recommended Model Use the reflector screws to tighten together with the reflector.