Rim: CONTEC double wall "Exit", 28"/29", 21-622, height: 16.2 mm, 32 holes, Presta valve, for disc brake, single eyeletted, max. system weight 150 kg, suitable for e-bikes, black (0.349.817/3) Hub: CONTEC cassette R.H. hub "Core DB", 32 holes, 8-/9-/10-/11-speed Shimano HG-M mount (MTB), thru axle 12 mm, 148 mm installation width (Boost), 6-hole disc brake mount, black (0.747.623/5) Spokes: ALPINA, 2 mm stainless steel, black, 294 / 292 mm Axle 12 mm thru axle Mounting Rear Wheel Article Type Design Double wall Brake Mount Hub Disc - 6-hole Brake System for Disc Brake, 6-hole E-bike Type ready ETRTO 21-622 Installation Width 148 mm Area of Use MTB Rim Type Clincher Rim Color black Rim Height 16.2 mm Rim Model Exit Freehub Body HG For Wheel yes Main Color black Wheel Size 28 / 29 " Hub Color black Hub Model Core DB Shifting System 8-speed, 9-speed, 10-speed, 11-speed Spoke Diameter 2.00 mm Spoke Color black Spoke Hole single eyeletted Number of Spoke Holes 32 holes Spoke Length left 294 mm Spoke Length right 292 mm Spoke Material Stainless steel System Compatibility 8-speed, 9-speed, 10-speed, 11-speed Valve Type Presta (SV) Permissible System Weight 150 kg