The present invention provides a new sliding assembly for a sliding closure. The present invention is constructed of two metal profiles mounted on each side wall of sliding closure and guiding bars for sliding on said rail. The profiles design includes a rail which length, is adjusted to the sliding closure height. The lower sliding bar is attached to a roller, which slides along the lower track of the closure. The second sliding bar is attached to the guiding bar for sliding along the upper track of the closure. An elastic stretching means connects between the lower sliding bar and the profile.