There's a little event in Virgin, UT that makes the Stan's No Tubes Flow MK4 Bitex 29in Boost Wheel's famous and trusted by all sorts of free-ride athletes. We throw these wheels on our dedicated lift-assist bike and enjoy a season full of fuss-free riding. The 30mm internal width is ideal for aggressive tires 2. 4in -2. 6in wide and the wide platform supports all our wildest endeavors.