Product Description The - For adventures big and small The WCS Zeta GX 28" wheelset from Ritchey for gravel bikes is equipped with Center Lock hubs and, thanks to the 25 mm rim width, allows wide gravel tyres to be fitted. Riding with or without a tube? No problem, the wheels are tubeless ready. The sealed hub and precise ratchet freehub are also designed for exciting off-road use. Whether it's an after-work ride or a bikepacking adventure, the WCS Zeta GX wheels shine with versatility and high robustness. Specifications:Application:GravelWheel Size:28"Tyre Type:clincher tyreNumber of Spokes:28Brake Type:Center Lock DiscTubeless System:Tubeless ReadyTechnical Information - Rim:Rim Flange:with hookDimensions (ETRTO):25-622Inner Width:25 mmOuter Width:29 mmDepth:19 mmValve Hole Diameter:SV/Presta (6.5 mm)Rim Material:aluminium (6066)Technical Information - Front Hub:Over Locknut Dimension:12 x 100 mm thru-axleBearings:sealed cartridge bearingsBody Material:aluminiumTechnical Information - Rear Hub:Over Locknut Dimension:12 x 142 mm thru-axleBearings:sealed cartridge bearingsBody Material:aluminiumFreehub Body Material:aluminiumFreehub Body:Ratchet 36Technical Information - Lacing:Front Lacing Pattern:2-crossRear Lacing Pattern:2-crossSpoke Type:DT Competition / double butted (2.0 - 1.8 - 2.0 mm)Spoke Material:stainless steel Nipple Size:12 mm (length) / 2 mm (diameter)Nipple Material:brassApproved For:Weight Limit:110 kg (rider and equipment)Colour Info:Rim: blackHubs: black with white decalsSpokes: blackNipples: blackModels:28" set (front 12x100 + rear 12x142) Shimano: Freehub:Shimano RoadGearing:8-/9-/10-/11-/12-speedManufacturer Number:51055817003 28" set (front 12x100 + rear 12x142) SRAM XDR: Freehub:SRAM XDRGearing:11-/12-speedNote:A 1.8 mm spacer is required to mount XD cassettes on an XDR freehub body.Manufacturer Number:51055817004 28" set (front 12x100 + rear 12x142) Campa N3W: Freehub:Campagnolo N3WGearing:11-/12-/13-speedNote:An adapter is necessary for mounting 11/12-speed Campagnolo cassettes on a Campagnolo N3W rotor.Manufacturer Number:51055817005Contents:1 x Ritchey WCS Zeta GX Center Lock Disc wheelset Weight: black | Non Boost | Non Boost | 142 mm | 100 mm | 28" | Shimano Road | 100 mm | Shimano Road | 100 mm | 142 mm: 1840 g Manufacturer: Ritchey Design Inc. 575 Old County Road San Carlos CA 94070 USA info@ritcheylogic.com Distributor: Cosmic Sports GmbH Leyher Straße 47 90763 Fürth Germany info@cosmicsports.de