Cosiki 12 Speed Bike Chain, High Strength Carbon Steel Chain, Quick Split Link 126 Links 1/2x11/128 Inch, for Mountain Bike & Road (Blue)

1. Built-in high-strength shaft and high-rigidity reinforced structure, it is compact, flexible and not jammed, so that the chain can withstand greater pedaling force and withstand high pedaling force. 2. The chain length of 126 links provides more reserves for subsequent upgrades to the transmission system. 3. External chamfering technology can prevent the teeth from interfering with the chain, and the chain runs smoothly between the gears, and the chain shifting operation is smoother. 4. Provided with quick split chain link, it can be installed safely and quickly without tools. 5. The whole adopts quenching heat treatment to improve the wear resistance, and the surface anti-rust treatment makes the chain lasting shiny. 6. Fully compatible, it is compatible with 12/24/36‑speed transmission systems and all 12‑speed bicycles, and compatible with almost all 12‑speed gearbox systems, such as for / / VG sport. Spec: Item Type: 12 Speed Bike Chain Material: High Strength Carbon Steel Length: Approx. 160cm / 63.0in Product Weight: Approx. 325g / 11.5oz Specification: 1/2 x 11/128 inch Speed: 12 Speed Number of Links: 126 Links Tensile Load: 1800 (KN) Application: Mountain Bike and Road Bike Compatible: For / / , etc. PackageList: 1 x 12 Speed Bike Chain 2 x Quick Split Chain Link

• [Smooth Shifting Technology] Featuring advanced external chamfering technology, this chain prevents interference with gear teeth for seamless transitions between speeds. the precision engineering ensures the chain runs smoothly across all gears, delivering buttery-smooth shifting performance every time you change speeds.
• [Tool-free Quick Installation] Equipped with a quick split chain link, this bike chain can be installed or removed in seconds without any special tools. the secure connection design guarantees safe riding while making maintenance and adjustments effortless for cyclists of all skill levels.
• [Upgrade-ready 126-link Chain] With a generous 126-link length, this bicycle chain provides ample room for future upgrades to your transmission system. the extra links ensure compatibility with various bike setups, giving you the flexibility to customize your ride without worrying about chain length limitations.
• [Premium Wear Resistance] Through rigorous quenching heat treatment and anti-rust coating, this chain offers exceptional durability that resists wear and maintains its shine. the enhanced wear protection ensures long-lasting performance and reliable compatibility with all major 12-speed systems including , and vg sport.
• [High-strength & Durable Design] Built with a high-strength carbon steel shaft and reinforced structure, this 12-speed bike chain is engineered to withstand extreme pedaling forces without jamming or breaking. its compact and flexible design ensures smooth performance even under heavy use, making it ideal for demanding mountain and road biking conditions.