Upgrade your bicycle with these durable and reliable rear derailleur screws. Crafted from high-quality steel, these screws are designed to securely fix your bike's rear derailleur in place, ensuring smooth and precise gear shifting. Compatible with a wide range of mountain bikes and road bikes, these screws are a must-have for any cyclist looking to maintain their ride's performance. The black color adds a sleek and understated touch to your bike's components. With their sturdy construction and corrosion-resistant finish, these screws are built to withstand the rigors of outdoor cycling adventures. Keep your rear derailleur functioning at its best and enjoy seamless gear changes with these essential bicycle rear derailleur screws.