21-559 (26" x 1.75) Aluminum, double-walled single eyelet, DV Outer width 27.6 mm, Inner width 21.0 mm, Height 20.0 mm for disc brake Item Article Design Double-walled 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 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 36 holes Spoke Hole Diameter for 2.00 mm Valve Type Schrader (AV) Eyelet Color silver