D.I.D chain connecting links are available in a range of styles to suit various applications, including Clip-Style (RJ), Press-Fit Clip (FJ), and Rivet-Style (ZJ) options: RJ Links: Designed for ease of use�side plates can be pressed on by hand. FJ Links: Require side plates to be pressed on using a chain tool or flat, evenly surfaced tools. ZJ Links: Must be installed with a chain tool�side plates are press-fitted and pin heads must be flared for secure installation. These connecting links ensure reliable performance and compatibility across D.I.D�s chain range.