Stan's NoTubes Flow MK3 wheels are light enough for all-day trail rides but are also performance-based with a history of victories in downhill and enduro racing. Boost axle spacing increases the strength of the wheelset while Neo hubs with Durasync make for quick acceleration and a long lifespan. A low-profile rim shape not only reduces the risk of pinch flats but also balances radial compliance with lateral stiffness and fast-rolling, and a 29mm internal rim width lets us run tires up to 2. 8in.