When you're looking for a lightweight Gravel and XC wheelset built to roll fast and last forever, the aluminum Crest MK4 is your wheelset.25mm rim width optimized for Gravel and XC tires up to 2.3Light and durable 6069 aluminum with welded joint and reinforced spoke bedBST-Asymmetric design combines Stan s legendary easy tubeless inflation with a stronger, more balanced wheel buildM-pulse ultra-low drag hubs with Enduro bearingsMatched wheelsets use traditional J-bend lacing and share a single spoke length for easy serviceabilityIncludes tubeless tape and presta valvesItem SpecificationsColorBlackDefined ColorBlackFront Axle12mm Thru x 100mmHub/Brake Compatibility6-Bolt DiscISO Diameter622 / Road / 29"Rim MaterialAlloyRim Width (Internal)25Tire TypeTubeless ReadyValvePrestaWheel Size29" Stan's No Tubes Crest MK4 Front Wheel Front Wheel UPC: 847746059097