Product Description The Arch MK4 Disc Tubeless rim from NoTubes in 29" is suitable for all-mountain wheels. Specifications:Application:All MountainWheel Size:29"Tyre Type:clincher tyreNumber of Spokes:28, 32Brake Type:discTubeless System:Tubeless ReadyTechnical Information:Dimensions (ETRTO):28-622 mmRim Flange:with hookInner Width:28 mmOuter Width:31.4 mmDepth:18.9 mmERD:600 mmValve Hole Diameter:SV / Presta (6.5 mm)Rim Material:aluminium (6069)Approved For:Air Pressure (max.):2.8 bar (2.2" ), 2.4 bar (2.5" )Recommended Tyre Width:2.2 - 2.5"Manufacturer Numbers:28 hole:RTA49000132 hole:RTA490002Contents:1 x Manufacturer: Stan's NoTubes 202 Daniel Zenker Dr Big Flats NY 14814 USA info@notubes.com Distributor: Hermann Hartje KG Deichstraße 120-122 27318 Hoya Germany info@hartje.de