Based on the legendary Flow rims that have won World Cup DH and Enduro World Series events, Flow S2 wheelsets are a great upgrade for riders looking for better tubeless performance and excellent durability. Patented Bead Socket Technology means easier tubeless inflation and more confidence on the trail. An emphasis on durability means a reinforced and eyeletted spoke bed, a quality sleeved joint, and 6061 alloy construction. A 30mm internal width makes the Flow S2 ideal for 2.3-2.6" tires.32 SpokesLow-profile 30mm internal width optimizes tire shape, traction, and control for 2.3-2.6 tires6061 aluminum with sleeved joint and stainless steel rim eyeletsPatented BST low-profile rim shape for easy tubeless inflation and the most reliable sealMatched wheelsets use traditional J-bend lacing and share a single spoke length for easy serviceabilityE-sync hubs offer fast 8.18 deg engagement with reinforced pawlsEnduro bearings with double-row freehub bearing and cromoly axle offer 47% increase in max torque capacity over Neo hubsConnection program includes 3-year E-sync hub warranty, 3-year S2 rim warranty, 1-year crash replacement, and $10 donation to trail maintenance or advocacy group of your choiceTubeless tape installed, requires additional valve stemsItem SpecificationsCassette Body TypeShimano Micro SplineColorBlackDefined ColorBlackHub/Brake Compatibility6-Bolt DiscISO Diameter622 / Road / 29"Rear Axle12mm Thru x 148mmRim MaterialAlloyRim Width (Internal)30Tire TypeTubeless ReadyValvePrestaWheel Size29" Stan's No Tubes Flow S2 Rear Wheel Rear Wheel UPC: 847746060796