evo.com | Stan's NoTubes Wheels > An upgraded wheelset is an easy and immediate way to improve your experience, and the Stan's NoTubes Flow S2 Wheel is a slam dunk. With Stan's, you'll get better tubeless performance and legendary durability. These wheels come with a driver to fit your existing cassette, whether you're running 11- or 12-speed, SRAM or Shimano. Their E-sync hubs are perfect for eBikes and riders who demand stronger components, but still want quick engagement (8.18deg) and high quality construction. With double row Enduro bearings around a CrMo axle and heat-treated ratchet rings, these are built to last. 32 Hole Stan's E-sync With double-row Enduro freehub bearings, a cromoly axle, and 8.18deg engagement, these hubs use J-bend spokes of a single length for easy serviceability. Low-Profile 30mm Rim Made from durable 6061 aluminum, these rims have a sleeved joint and stainless steel rim eyelets. They're low-profile with Stan's patented BST profile that optimizes tire shape, traction, and control for 2.3 - 2.6" tires. 6-Bolt Rotor Style Shimano MicroSpline, Shimano HyperGlide 11, or SRAM XDR | Stan's NoTubes Flow S2 Wheel 27.5 2023 - Front, 15x110mm, 6-Bolt in Black Size Front 15X110mm 6-Bolt | Aluminum