A device for fastening a rollbar or similar attachment part on a vehicle, in particular a vibration roller, includes an inner installation sleeve, which is or can be operationally linked to a bar receptacle on the vehicle, an outer installation sleeve, which at least partially encloses the inner installation sleeve and is or can be operationally linked to the rollbar, and at least one elastomeric element, which positions the inner installation sleeve relative to the outer installation sleeve in such a way that the two sleeves are spaced apart from one another while partially forming a vibration clearance. In addition, the present invention relates to a rollbar or similar attachment parts for attachment on a vehicle, in particular on a vibration roller, having at least one device according to the above-mentioned type, which is implemented, in particular integrated on the rollbar.