Features: Compatibility: Bikes msising chain link is suitable for 8 speed bike, suitable for mountain bike and road bike, can replacement for the old or defective one. Easy to Use: Pack of 10 pairs, 8 speed chain connectors are reusable, easy to assemble and disassemble the chain, it is easy to operate without tools. Sensitive: The smooth edges of the bikes chain link will not damage and are suitable for smooth chain rotation. Material: These bikes chain connectors are made of manganese steel, fine treatment and accuracy machining, strong and durability. Craftsmanship: Bikes quick release chain are cnc cut and processed, the surface is flat and burr freeware, comfortable to touch. Specification: Item Type: Bikes Chain Connector Material: Manganese Steel Product Style: 8 Speed Product Color: Gold PackageList: 10 x Pairs of Bikes Chain Connector Note: Please allow 1-3 mm error due to manual measurement. Please make sure you do not mind this before purchasing. Due to the difference between different monitors, the picture may not reflect the actual colour of the item. Thank you!