The Metal Thumb Shifter Clamp Ring is a must-have addition for your Sram X9 Xo1 Xx, or any folding road bike. This compact and durable accessory replaces the standard thumb shifter sleeve, providing a simple yet effective solution to secure your thumb shifter cable securely. Made from rust-resistant metal, this clamp ring ensures a long-lasting grip and eliminates the need for messy tape or cable ties. The red color, a perfect match for many bikes, adds a touch of style and makes it easy to spot in your garage. With the Metal Thumb Shifter Clamp Ring, you can enjoy a clean, secure, and stylish setup on your bike, all while protecting it from potential damage.