Features:Hollow-out design delivers super light weight, also easy to get the internal silt out while during working period, difficult to get stuck.Steel construction is strong and reliable, durable for long term use.The anti rust coating can increase the chain life and reduce rust affecting the running of your chain.Easy to assemble and no difficult procedure.High variable speed performance, compatible for most mainstream bikes.Specification:Condition: 100% Brand NewMaterial: SteelColor: GoldSpeed: 11 SpeedLinks: 116Total Length: Approx. 147cm / 57.8inWeight: Approx. 270gPacking List:1 x Bike ChainWarm Prompt:Please pay attention to maintenance time:- Variable speed performance is reducing- It appears tight- Appearing noise while drive system running- A gurgle can be heard in a tunnel or through an object(The chain is too dry).