The Tidgel Stainless Steel Bike Pedal Extenders are the perfect solution for cyclists suffering from knee pain caused by increased pedal forces. These innovative extensions feature 16mm and 20mm axle spacers that allow for a significant reduction in pedal stroke, alleviating pressure on the knees and providing much-needed relief. The compact and lightweight design ensures a smooth and effortless ride, even on the most challenging terrains. With their high-quality construction and 9/16 inch thread compatibility, you can trust that these extenders will not only enhance your cycling experience but also protect your knees from future injuries. Pair them with the accompanying 20mm titanium extenders for an even more substantial reduction in pedal force, and you'll find yourself cycling with renewed energy and reduced pain.