16mm 20mm Bicycle Pedal Axle Extender Bicycle Pedal Extension Bolts Spacers Features: EXTENDED PEDAL 16/20MM, PREVENT YOUR KNEE - Pedal axle extender from the crank provides a comfortable riding experience and helps prevent your knee or leg from contacting the bike frame. HEALTHIER RIDING - Installing these bike pedal extenders 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 long-distance rides as well. PREMIUM STEEL MATERIALS - Made of high-quality chrome-molybdenum steel, waterproof, anti-oxidation, anti-rust, wear-resistant, corrosion-resistant, and built for durability. SIMPLE TO USE AND INSTALL - Bike pedal extenders are designed with left and right shafts (same side shafts can be stacked); clearly marked with L and R for easy identification of left and right extenders. WIDE APPLICATION - Compatible with standard mountain bikes and road bikes. Specifications: Material: Molybdenum Steel Color: Black, Gold (for Titanium) Type: 16mm / 20mm Note: Please allow 0-1cm 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. Package includes: 2 x Bicycle Pedal Axle Extender