Anonymous5 years ago+110What diameter handlebars can I still use with the 2 additional reductions supplied? Standard is 31.8 mm but I have less.Show in original language (German)hubmartin5 years ago+220 Helpful answerAn additional reduction ring is enclosed with the holder. Inner diameter measured with scale 25mm. Probably goes for 25.4 mm or 26mm.Show in original language (German)CommentAnonymous5 years ago000Thank you very much so it should fit with me!Show in original language (German)Comment