20x1.90" Box Two BMX Tire - Black XS Valve: Standard Schrader Valve

Valve: Standard Schrader Valve

Drilling: 28H

The set includes crank arms

the new trapezoid chromoly shape helps prevent flex while still offering a grindable surface

20x1.90" Box Two BMX Tire - Black XS Valve: Standard Schrader ValveThe Box Two Wire Bead Tire was engineered with a minimalist approach to hit lofty goals for weight, traction, rolling resistance, and rebound. At its heart is a super supple 60TPI casing with as much rubber displacing nylon as possible. Box also employed skin walls to reduce drag and further reduce weight, then flanked the high density casing with a tightly packed hoop of aramid fibers. Finally, all of this is draped with a BMX race specific tread