Connex 12 Speed Link Description: The Connex Link provides riders with an easy way to remove their chain by hand. That's right, you heard correct, the Connex link utilizes a special design that can be installed and removed by hand as well as re-used a multitude of times. Features: Connecting links for use with Connex brand chains Easy installation and removal by hand Re-useable design Specifications: Speeds: 12 Speed Re-Useable: Yes Color: Silver Weight: 3g