Kactus Bike Pedals MTB Bicycle Flat-Platform Cycling Sealed Bearing 9/16" 13SW Upgrade your MTB with the 1 Pair KACTUS 13S Bike MTB Steel Axle Magnesium Pedals! It features a durable steel axle construction and high-strength body, perfect for uses with mountain terrain bicycles. 9/16"" thread size is suited for three-piece cranks. Crafted from high-grade chrome molybdenum alloy, it is tough and lightweight as well. Sleek design easily blends with bike colors. And it is easy to install. You can rest assured to rely it!