The Flow MK4 LTD wheels combine Stan's flagship MK4 rim design with the robust E-Sync hub. For a limited time, the MK4 LTD is a performance wheelset at an incredible price point! Laced with premium Sapim Race spokes and brass nipples laced to the extra-durable E-sync hub, featuring chromoly steel axles and double row Enduro bearings, and special heat treated steel ratchet rings, making it the perfect choice for traditional and e-bike use.32 SpokesLow-profile 30mm internal width opitimizes tire shape, traction , and control for 2.3-2.6" tiresLight 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 buildE-sync hubs with Enduro bearings for relabile performanceIncludes Tubeless Tape and Valve3-year rim warranty with 1-year crash replacementItem SpecificationsColorBlackDefined ColorBlackDesigned for ebikeYesFront Axle15mm Thru x 110mmHub/Brake Compatibility6-Bolt DiscISO Diameter622 / Road / 29"Rim MaterialAlloyRim Width (Internal)30Tire TypeTubeless ReadyValvePrestaWheel Size29" Stan's No Tubes Flow MK4 LTD Front Wheel Front Wheel UPC: 708752545489