High-quality materials: The bicycle chain links are made of 50 steel, are durable, resistant to oxidation and wear. After precision processing, it is not easy to be damaged and can be used for a long time. High performance: Smooth edges do not damage the bicycle chain, which is conducive to the smooth running of the chain. High tensile strength up to 950 kg for exchanging or temporary repair of bicycle chain accessories. Easy to use: Easy to assemble without additional tools, quick release design is easy to use. Sturdy steel construction for reuse, suitable for road bikes and mountain bikes. Perfect compatibility: 21 mm long, 5.5 mm wide, 7 mm high The bicycle chain connection is compatible with 11 speed chains and your ideal accessory for exchanging bicycle chains. You don't need to go to a repair shop to save a lot of money. Bicycle Chain Replacement Parts: The set contains 3 pairs of bicycle chain link locks. Product Description 3 Pairs Bicycle Chain Link Lock Bicycle Chain Links Bicycle Chain Links for 11 Speed Chain Properties: -The length of the bicycle chain link lock is 20mm, width 5.5mm, height 7mm, suitable for all mountain bikes, bicycles with 11 speed chain. Durable stainless steel material, suitable for long-term use. -This bicycle chain link can be reused, is easy to assemble and disassemble. No tools are required. You can operate it yourself. -The set contains 3 pairs of stainless steel bicycle links, a total of 6 pieces. Packed in an OPP bag, easy to carry and not to be lost. Specification Product Name: Bicycle Chain Link Material: 50 Steel Color: Silver Type: 11s Weight: 80g Package Included 3*Bicycle Chain Links