The Bike Pedals,Foldable Design, Extremely Convenient,Easy Folding.The Bike Pedals are Made of Aluminum Alloy and Plastic Material, High Hardness, Improve Service Life,Strong and Aluminum Alloy for Composite Body, Which is Solid and Rust-proof..The Bike Pedals Front Have S Resistant Design to Increase Friction.Wide Tread Design, Better Foot Grip, Better Anti-s,Design with Anti-s Nails Provide Excellent S Resistance and Good Grip..Reflective Strips are Installed on Both Sides of the Pedals to Ensure That You Can Ride Your Bicycle Safely at Night.The Bike Pedals,Wide Pedals Platform,Adopt Sealed Bearing Which Is and Dust-proof, Ensure the Best Tread and Simplify Maintenance..Universal Standard Size 9 and16 Thread That Suitable for Variety of Bicycles and Outdoor Cycling, Such As Universal Mountain Bike, Folding Bike, Road Bike, Trekking Bike and City,Touring, Trekking Bikes.