【Specifications】: 116- links, 1/2"x11/128", suitable for 9 speed moutain bike and road bike.And they are packed in a clear plastic box, easy to carry and store.
【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:289G.
【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-Secur】: Two-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.
【Double X bridge design】: X bridge design, special forging steel ,improve the tensile and torsional strength of the chain,variable speed fluency improvement,which has high shifting efficiency.Electroplated bright silver, durable, rust and corrosion.
"Single speed chain The product content includes: Single Speed Bike Chain & Bike Chain hooks ✔. Strengthen the embedded axis High rigidity reinforced structure, compact, flexible and not stuck, withstand high pedaling force ✔. Full electroplating dazzling color Hardening heat treatment to enhance wear resistance and wear resistance Anti-rust treatment on the surface, full electroplating, bright color, long-lasting shiny ✔. Double X bridge chain Improve the tensile and torsion strength of the chain, and the speed change is agile and smooth ✔. Single speed chain length 116 knots Can be removed with a chain tool depending on the length required for the bike"