Upgrade your road bike with these 2Pcs Silver Jockey Wheel Pulley Bolts, designed to replace worn-out or damaged rear derailleur pulleys. Crafted from high-quality materials, these bolts ensure smooth and precise shifting, enhancing your cycling experience. Compatible with most road bike rear derailleurs, these anti-screws fasteners are a must-have replacement part for optimal performance. Measuring approximately 0.39 inches (10 mm) in length, these bolts fit snugly into your derailleur, providing a secure and durable connection. Invest in these rear derailleur pulley bolts to keep your bike running smoothly and extend the lifespan of your components.