• [Specifications]: 116- links, 1/2"x11/128"
• [More Wear-resistant]: 50C high strength steel with high strength and 1800KG ultimate tension, Centerless grinding,chromizing technology, Wear resistance increase 80-100%, Full hollow pins and slotted plates design, weight:9.27OZ
• [More-Smooth]: Asymmetrical External Chamfer, Rigorous Calculation Of Asymmetrical External Chamfers, Special Arrangement, Avoid Interference Between The Chain and The Chainring, high inlay force, smooth shifting without noise
• [More-Secure]: Three-layer vacuum plating, super anti-rust, All-round protection electroplating layer, adapt to harsh weather, Whether it's road climbing, wading, snowy wet mudor heavy rainfall. Missing link design, easy installation

Don't know whether you should choose full hollow/half hollow or solid? Read before purchasing>>