This disclosure relates to an arrangement 10 for variably adjusting the cross-section of a compressor inlet. Furthermore, the disclosure relates to a charging device having such an arrangement 10. The arrangement 10 comprises a compressor housing 100 with a main body 140 and an inlet cover 120. The inlet cover 120 defines a compressor inlet 110. The arrangement 10 further comprises an adjustment mechanism 200 which is arranged in the compressor housing 100. The adjustment mechanism 200 comprises an actuation ring 210 and a plurality of orifice elements 220. Each orifice element 220 is coupled to the actuation ring 210 via a respective coupling element 230 and is rotatably supported in the compressor housing 100 via a respective shaft 240. Furthermore, the arrangement 10 comprises at least one wear reducing feature providing a wear reduced operation of the adjustment mechanism 200.