21-559 (26" x 1.75) Aluminum, double-wall single eyelet, DV Outer width 27.6 mm, Inner width 21.0 mm, Height 20.0 mm for disc brake Article Article Design Double-wall Brake mount Hub Disc - 5-hole, Disc - 6-hole, Disc - Center Lock, Roller brake, Drum brake Brake compatibility Rim Disc Brake track no E-bike type ready ETRTO 21-559 Rim outer width 28 mm Rim height 20 mm Rim inner width 21 mm Rim model Taurus 21 For wheel yes Main color black Double-wall shape symmetrical Wheel size 26" Spoke hole single eyelet Number of spoke holes 32 hole Spoke hole diameter for 2.00 mm Valve type Schrader (AV) Eyelet color silver