Rim: RODI double-wall "Skorpion", 28"/29", 19-622, height: 20 mm, 36 holes, AV/DV valve, with silver braking surface, no eyelets, black (0.349.544/7) Hub: SHIMANO front hub "HB-QC400", 36 holes, hollow axle 9 mm, 100 mm installation width, Center Lock disc brake mount, black (0.746.307/9) Spokes: ALPINA, 2 mm stainless steel, silver, 291 / 291 mm Axle Hollow axle Attachment Front wheel Type Item Version Double-wall Brake mount Hub Disc - Center Lock Brake system for disc brake, Center Lock ETRTO 19-622 Area of use Other Rim type Clincher Rim color black Rim height 20 mm Rim model Skorpion For wheel yes Main color black Wheel size 28 / 29 " Hub color black Hub model HB-QC400 Secondary color silver Spoke diameter 2.00 mm Spoke color silver Spoke hole no eyelets Number of spoke holes 36 holes Spoke length left 291 mm Spoke length right 291 mm Spoke material Stainless steel Valve type Woods (DV) , Schrader (AV)