Feature:1. Strong pulling force, selected materials repeatedly forged, durable, anti‑corrosion and anti‑rust. Suitable for single speed bicycles.2. Compared with old‑fashioned chains, electroplated chains are more lubricated, smooth and not easy to break.3. Easy to install and remove, without any professional requirements even though you are an amateur.4. Lightweight design, therefore it is easy to carry. And the chain length can be adjusted manually.5. Fine workship, simple appearance. A good and