Pedal size:Product size: 10cm * 2.8cm (length * diameter), opening: 8mm, thickness: 2.5mm. Ideal for bicycles, racing, MTB, BMX, etc... HIGH QUALITY MATERIAL: The bicycle pedals are made of high quality aluminum alloy, high strength, cold-resistant, wear-resistant and safe to use. Load range 100 kg (200 lbs). Non-slip design: The cylindrical pedal surface is made of non-slip mesh, excellent non-slip performance and good grip can ensure sufficient friction. Easy to install:It can be easily installed on the front or rear axle of the bicycle , which makes your legs more comfortable and stretched. Installation tips:When installing installation on the rear axle of the bicycle, please ensure that the length of the bicycle axle exceeds 6mm. If the length of the shaft is too short, the pedals cannot be installed or overloaded. Package content: 1 pair of bicycle spikes