Feature: 1. Carbon Steel: High quality carbon steel, fully electroplated, anti rust, impact resistance, heat treatment and hardening, high wear resistance, and can withstand high pedaling forces. 2. Advantages: High tensile and torsional strength, easier removal of mud and sand, reduced wear, flexible speed change, no noise. 3. Quick Bite: With waist guide angle design, the tooth tip and the chain quickly bite, there is no need to worry about the chain falling in the severe impact, and the stability and safety are greatly improved. 4. Fast Gear Shifting: High operating acuity, quick capture of shifting actions, faster winding point, more stable operation, and smoother riding. 5. Quick Installation: With pin joints, which can be tightly installed, fast and convenient, no need of complicated operations. Specification: Item Type: Bike Chain Material: High Strength Carbon Steel Number of Links: 116L Shaft Length: Approx. 7.1mm/0.3in Color: Three layer all silver plating anti rust Applicable Speed: 6/7/8/18/21/24 speed Applicable Models: Suitable for mountain bikes, road bikes Compatible: Fit for Campagnolo Fit for Sarm and other power transmission systems. . Package List: 1 x Bike Chain Note: How to choose the right chain: First observe the number of flywheels in the bike, choose a chain of as many speeds as there are flywheels.