3TVol Black Indoor Exercise Bike Crank, Left & Right Bike Pedal Crank Arms for Stationary Cycling Bicycle Home Gym Fitness Equipment 127mm Square Hole Iron Replacement Parts

["COMPLETE SET Includes 1 left crank and 1 right crank, giving you a full replacement or upgrade solution for your exercise bike.","DURABLE IRON BUILD Made from solid iron, each crank weighs approximately 300g, offering strength and stability for consistent performance.","STANDARD SIZE & COMPATIBILITY Features a 127mm center-to-center hole distance, with a 1/2-20 threaded pedal hole and 13 x 13mm square interface, compatible with most exercise bikes.","SIMPLE INSTALLATION Easy to install—just tighten clockwise for a secure and reliable fit so you can resume your workout quickly.","PROTECTIVE COATING Finished with a durable outer paint layer that enhances appearance while improving resistance to wear and extending product lifespan."]