Aluminum Alloy: Strong and durable aluminum alloy for the composite body that is intact and stainless. Non -slip nails: Slip -or -non -slip design provides excellent slip resistance and good grip, saves your effort while driving and makes your feet more grasping. Closed bearing: The wide pedal platform of our pedals adopts the indoor bearing, which is waterproof and dusty, provides the tooth depth and simplifies care. Ergonomic Design: Simple and beautiful with unique shaped pedals, it is suitable for the human body mechanics, and has a foldable feature that is very stable against the wall. Universal standard size: 9/16 'tooth for various bikes such as universal mountain bike, folding bikes, road bikes, trekking bike and BMX. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.