19-622 (28" x 1.75) Aluminium, double wall, un-eyeleted, kink-free spoke pattern (internally punched), for electric drives and installation of large diameter hubs, suitable for highest loads Outer width 25.6 mm, Inner width 19.0 mm, Height 25.0 mm ERD 590 mm for disc brake Type Article Version Double wall Brake mount Hub Disc - 5-hole , Disc - 6-hole , Disc - Center Lock , Roller brake , Drum brake Brake compatibility Rim Disc Brake flank no E-bike type ready ERD 590 mm ETRTO 19-622 Rim outer width 26 mm Rim height 25 mm Rim inner width 19 mm Rim model Andra 10 For wheel yes Main colour black Double wall shape symmetrical Wheel size 28 / 29 " Spoke hole internally punched Number of spoke holes 36 holes Spoke hole diameter for 2.00 mm Valve type Woods (DV) , Schrader (AV)