Aluminum alloy and carbon steel material Non-slip Foldable design Suitable for folding bikes, mountain bikes, racing cars Simple and practical, with a classic and refined appearanceFoldable pedal, super hard engineering plastic material, silver aluminum alloy middle part, carbon steel shaft core, non-slip design on the front of the pedal to increase friction. It is easy to fold and store with one hand. Folding bikes, mountain bikes and road bikes can be used. 1. Pull the aluminum alloy pedal sheet outward by hand to expose the mounting bolt and rotate it 90 up and down to bend it. 2.Release and leave the mounting bolt in its original rebound position. 3. Do not force to bend the pedal. 4. When riding, the stress point of the pedal should be in the middle position and cannot be concentrated at the rear end of the pedal Material: Aluminum alloy, PP Colour: silver black Dimensions: 12.3 x 7 x 2.75 cm (L*W*H) Weight: approx. 430 g (1 pair) Package list: 1 pair of aluminum bicycle pedals