Feature: 1. About the Installation: The diameter of the quick release holder hole is 5/10mm or 0.2/0.4in, which is suitable for installation on a 5/10mm or 0.2/0.4in shaft. With 5mm/0.2in reducer sleeve 2. Aluminum alloy material: The quick release pedal holder is made of aluminum alloy material, light weight and high strength 3. Application: The quick release pedal holder is suitable for the pedal of quick disassembly structure. After removal, it can be placed on the frame or any hole where M5 screws can be installed. Easy to use Specification: Item Type: Quick Release Pedal Buckle Material: Aluminium Alloy Installation Diameter: 5mm / 0.2in, 10mm / 0.4in Product Weight: Approx. 16g / 0.6oz Applicable Models: Suitable for foot pedal with quick release structure Package List: 1 x Quick Release Buckle 1 x Reducing Sleeve