Features1Outer Chamfer Design: The bike chain adopts the outer chamfer design to avoid tooth interference, and the chain shift runs more smoothly. 2Reinforced Structure: Embedded high strength axis and high rigidity reinforced structure, the chain is compact and flexible, not stuck to withstand high stepping force. 38 Speed Transmission Systems: The cycling chain replacement is suitable for various 8 speed, 2 x 8 speed and 3 x 8 speed transmission systems. 4 Alloy Steel: Our Road Bike Chain is made of alloy steel material that has high strength, durability and long service life. 5Easy to Disassemble: The delivery includes a storage box and two chain joints so that this chain replacement is easy to disassemble and clean, reusable.SpecificationItem Type:BikeSpeedChainMaterial:Alloy steelGross Weight: 350g/12.3ozPackage List1 xBikeSpeedChain2 x Bike Chain Link1 x Storage Box