Features: - and high quality - Made from high-quality materials with excellent craftsmanship, ensuring durability and long service life - Easy to install without the need for additional tools; convenient installation process - Designed to match the original appearance, providing a seamless fit after installation - Stylish and attractive design with fine detailing - Compact size and lightweight for easy portability Specifications: - Material: Alloy - Type Options: 1/2/3/4/5/6/7/8/9/10 - Dimensions: 1: Approx. 32mm / 1.26 inches 2: Approx. 25mm / 0.98 inches 3: Approx. 36 x 16mm / 1.42 x 0.63 inches 4: Approx. 36 x 14mm / 1.42 x 0.55 inches 5: Approx. 30 x 10mm / 1.18 x 0.39 inches 6: Approx. 30 x 12 x 9mm / 1.18 x 0.47 x 0.35 inches 7: Approx. 30 x 9 x 12mm / 1.18 x 0.35 x 0.47 inches 8: Approx. 30 x 8 x 10mm / 1.18 x 0.31 x 0.39 inches 9: Approx. 36 x 9 x 12mm / 1.42 x 0.35 x 0.47 inches 10: Approx. 30 x 8 x 10mm / 1.18 x 0.31 x 0.39 inches Package Includes: 1 x Gear Sprocket Note: - Please allow 1-2cm measurement deviation due to manual measurement. - The actual color may vary slightly due to differences in monitor displays.