Features: EXTENDED PEDAL 16/20MM, PREVENT YOUR KNEE – Pedal axle ext from the crank provides a comfortable riding experience and helps prevent your knee or leg from scratching against the bike. HEALTHIER RIDING – Installing these bike pedal exts increases the pedaling surface, allows for easier force application, and widens the stance on both sides. Helps adjust your riding position for a more natural cycling posture. Suitable for both short and long-distance rides. PREMIUM STEEL MATERIALS – Made of high-quality chrome-molybdenum steel, these exts are waterproof, oxidation-resistant, rust-resistant, wear-resistant, and corrosion-resistant for long-lasting durability. SIMPLE TO USE AND INSTALL – Bike pedal exts are designed with left and right shafts (same side shaft teeth can be stacked). Clearly marked with L and R for easy identification of left and right exts. WIDE APPLICATION – Compatible with standard mountain bikes and road bikes. Package Includes: 2 x Bicycle Pedal Axle Ext Specifications: Material: Molybdenum Steel Color: Black, Gold (Titanium finish) Type: 16mm / 20mm Note: Please allow 0–1 cm error due to manual measurement. Ensure you are comfortable with this before purchasing. Due to differences in monitor displays, the actual color may vary slightly from the image.