VG Sports Bicycle Chain Steel 126 Links 12 Speed MTB Road Bike Half Hollow Chain Cycling Equipment Accessories Silver Feature: 1. Wear-resistant and durable: All parts of the chain are heat-treated in a unified manner, which enhances rigidity and toughness and is durable. 2. Hollow mud hole design: Hollow weight reduction, convenient removal of sludge, reducing dirt accumulation, easier cleaning. 3. More sensitive: Switching speed is faster and operation is more stable. 4. Self-adhesive on the chain: Quick installation without tools. Specification: Product main material: Steel Product Color: Silver Specification: 1/2" x11/128" Number of sections: 126L Package size: 110x110x23mm/4.33x4.33x0.9in Product net weight: 275g Suitable for: 12-speed bicycle Note: 1. Before buying a chain, first observe the number of flywheels in the bicycle. If there are 12 flywheels, buy a 12-speed chain. 2. Due to the different monitor and light effect, the actual color of the item might be slightly different from the color showed on the pictures. Thank you! 3. Please allow 1-3cm measuring deviation due to manual measurement. https://www.icebikeheaven.com/index.php?route=product/tocart&pid=834&pqty=1&opt=1382:13902