The invention relates to a slide rail for guide channels with a supporting surface for a conduit carrier chain that is guided in the guide channel. The slide rail is provided with a hook-shaped protuberance for fixing the slide rail in a recess of a side component pertaining to the guide channel, whereby the recess is provided with an undercut. The aim of the invention is to securely fix the slide rail on the guide channel and to reduce noise emission when the conduit carrier chain is displaced. To this end, the slide rail (1) is also provided with a spring element (11). The hook-shaped protuberance (3) has to be disassembled from the corresponding recess (4) against the spring power of the spring element (11).
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