Silent, stealthy and quick engaging. The TR37 / Onyx Vesper wheels are perfectly suited for riders that navigate towards trail riding. Featuring Onyx's revolutionary sprag clutch, the fastest rolling hub on the market, with a completely silent freehub when coasting, and engages instantly when you drop the hammer. All NOBL wheelsets come taped with valves and ready to go! Simply throw your tires on with sealant and you're set!32 SpokesFull carbon fiber design and constructionOnyx Vesper HubIncludes pre-installed tubeless tape and NOBL alloy valve stemItem SpecificationsCassette Body TypeSRAM XDColorBlackDefined ColorBlackHub/Brake Compatibility6-Bolt DiscISO Diameter622 / Road / 29"Rear Axle12mm Thru x 157mmRim MaterialCarbonRim Width (Internal)30Tire TypeTubeless Ready ClincherValvePrestaWheel Size29" NOBL TR37/Onyx Vesper Rear Wheel Rear Wheel UPC: 708752474451