[Specifications]: 116Links, 1/2 x 11/128 Inch, suitable for 10/20/30 Speed[Material]: 50C high carbon steel, high strength, ultimate tension 1800KG[Features]: Wear-resistant, smooth shifting, high-quality electroplating, super anti-rust[Adaption]: Compatible with 10/20/30 speed bicycles[Installation]: It is convenient to install and remove with chain Missing link design
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