Feature: 1. Electroplating Process: The surface of the chain is treated by electroplating process, not easy to rust, the surface is lubricated, and the speed change is smooth. 2. Premium Material: Made of high quality manganese steel material, sturdy, durable and having long service life. 3. High Strength: High rigidity reinforced structure, tight, flexible and not stuck, can withstand high pedaling force. 4. Anti Rust and Corrosion: Waist chamfering design, anti rust, anti corrosion, wear resistant and reliable performance. 5. Stable and Safe: The tooth tip and the chain piece quickly occlude, and the stability and safety are greatly improved. Specification: Item Type: Bicycle Chain Product Material: Manganese Steel Product Speed: 8 Speed Color: Colorful Weight: Approx. 347g / 12.2oz Package List: 1 x Chain 2 x Hook and Loop 1 x Storage BoxStable and Safe: The tooth tip and the chain piece quickly occlude, and the stability and safety are greatly improved. Anti Rust and Corrosion: Waist chamfering design, anti rust, anti corrosion, wear resistant and reliable performance. High Strength: High rigidity reinforced structure, tight, flexible and not stuck, can withstand high pedaling force. Premium Material: Made of high quality manganese steel material, sturdy, durable and having long service life. Electroplating Process: The surface of the chain is treated by electroplating process, not easy to rust, the surface is lubricated, and the speed change is smooth.Strand Type: Single. Material: Alloy Steel. Brand: Dilwe. Best Sellers Rank: See Top 100 in Sports & Outdoors. : B09NSVV3L2. Manufacturer: Dilwe. Date First Available: December 27, 2021. Package Dimensions: 5.91 x 5.12 x 1.18 inches; 12.24 Ounces.