Features: brand new and high quality After fine processing and precision processing, it is strong, heavy, rust-proof and durable. The smooth edge will not damage the bicycle chain, which is conducive to the smooth rotation of the chain. Suitable for temporary use or repair of bicycle chains. There are 5 pairs per pack, high quality and low price, essential accessories for bicycles. 2 colors and 5 types can be selected. Quick release link design, easy to use without tools. Specifications: Material: Aluminum Alloy Weight: 15g Color: Gold/Silver Type: 10 Speed/11 Speed/12 Speed/678 Speed/9 Speed Note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Package includes: 1x Bicycle Chains Connector Set