* 1 1/8"; d. 28.6x34x30; H:17,1+14.4=31,5mm, Material: AL6061 with steel crown race; Finish: Anodized. Bearings: cartridge ball bearings w/o tension adjusterwhere to buyphotogalleryproduct options Photogallery Product options black(1 1/8"; d:28.6/ 34/ 30mm) = UA#23950051