MTB Bike Bicycle Cycling Aluminum Alloy Platform Flat Pedals Outdoor Sports New Weight: About 550g Size: 11.6 x 10 x 2.5cm Made of aluminum alloy, 4 colors for choice. With light reflector on sides, can reflect lights at night. Universal Fit: 1/2" pedal with 9/16" pedal adaptor fits all types of bicycle cranks