Generic 6pcs 3 Pair Bicycle Bike Chains Connector for 6 7 8 Speed Quick Master Link Joint Chain Suitable for: 6/7/8 Speeds Chains 6pcs (3 pair) Chains Connector,ship from china As a addition to your seat pack, it just may save the day when you have a broken chain on the trail or road. No tools need to remove the chain for cleaning Material: Stainless steel