Rim: RYDE hollow chamber "Taurus 21", 27.5", 21-584, height: 20 mm, 32 holes, AV/DV valve, for disc brake, single eyelet, black (0.349.007/5) Hub: SHIMANO hub dynamo "DH-3D37", 32 holes, 6 V / 3 W, hollow axle 9 mm, 100 mm installation width, Center Lock disc brake mount, black (0.710.028/2) Spokes: ALPINA, 2 mm stainless steel, black, 268 / 269 mm Axle Hollow axle Attachment Front wheel Type Article Version Hollow chamber Brake mount Hub Disc - Center Lock Brake system for disc brake, Center Lock ETRTO 21-584 Features Hub dynamo Area of use Other Rim type Clincher Rim color black Rim height 20 mm Rim model Taurus 21 For wheel yes Main color black Wheel size 27.5 " Hub color black Hub model DH-3D37 Spoke diameter 2.00 mm Spoke color black Spoke hole single eyelet Number of spoke holes 32 holes Spoke length left 268 mm Spoke length right 269 mm Spoke material Stainless steel Valve type Woods (DV), Schrader (AV)