[Specifications]: 116Links, 1/2 x 3/32 Inch, suitable for 6/7/8/18/21/24Speed [Material]: 50C high carbon steel, high strength, ultimate tension 1800KG [Features]: wear-resistant, smooth shifting, high-quality electroplating, super anti-rust [Adaption]: Compatible with 6/7/8/18/21/24 speed bicycles [Installation]: It is convenient to install and...

[Specifications]: 116Links, 1/2 x 11/128 Inch, suitable for 9/18/27Speed [Material]: 50C high carbon steel, high strength, ultimate tension 1800KG [Features]: wear-resistant, smooth shifting, high-quality electroplating, super anti-rust [Adaption]: Compatible with 9/18/27 speed bicycles [Installation]: It is convenient to install and...

[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...

[Specifications]: 116Links, 1/2 x 11/128 Inch, suitable for 11/22/33Speed [Material]: 50C high carbon steel, high strength, ultimate tension 1800KG [Features]: Wear-resistant, smooth shifting, high-quality electroplating, super anti-rust [Adaption]: Compatible with 11/22/33 speed bicycles [Installation]: It is convenient to install and remove with...

[Specifications]: 126Links, 1/2 x 11/128 Inch, suitable for 12/24/36Speed [Material]: 50C high carbon steel, high strength, ultimate tension 1800KG [Features]: wear-resistant, smooth shifting, high-quality electroplating, super anti-rust [Adaption]: Compatible with 12/24/36 speed bicycles [Installation]: It is convenient to install and remove...

[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...

[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...

[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,...

[Material]: 50C high carbon steel, high strength, ultimate tension 1800KG [Features]: Wear-resistant, smooth shifting, high-quality electroplating, super anti-rust [Installation]: It is convenient to install and remove with chain Missing link design Don't know whether you should choose 8speed/9speed/10speed/11speed or 12speed?...

[Material]: 50C high carbon steel, high strength, ultimate tension 1800KG [Features]: wear-resistant, smooth shifting, high-quality electroplating, super anti-rust [Installation]: It is convenient to install and remove with chain Missing link design Don't know whether you should choose 8speed/9speed/10speed/11speed or 12speed?...

[Material]: 50C high carbon steel, high strength, ultimate tension 1800KG [Features]: wear-resistant, smooth shifting, high-quality electroplating, super anti-rust [Installation]: It is convenient to install and remove with chain Missing link design Don't know whether you should choose 8speed/9speed/10speed/11speed or 12speed?...

[Material]: 50C high carbon steel, high strength, ultimate tension 1800KG [Features]: wear-resistant, smooth shifting, high-quality electroplating, super anti-rust [Installation]: It is convenient to install and remove with chain Missing link design Don't know whether you should choose 8speed/9speed/10speed/11speed or 12speed?...

[Material]: 50C high carbon steel, high strength, ultimate tension 1800KG [Features]: Wear-resistant, smooth shifting, high-quality electroplating, super anti-rust [Installation]: It is convenient to install and remove with chain Missing link design Don't know whether you should choose 8speed/9speed/10speed/11speed or 12speed?...