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Box One™ 120 TPI Folding Tires were engineered with a minimalist approach to hit lofty goals for weight, traction, rolling resistance, and rebound.

At its heart is a super-supple 120TPI casing where we forced in as much rubber displacing nylon as possible.

Skin walls are employed to reduce drag and further reduce weight.

We flanked the high-density casing with a tightly packed hoop of aramid fibers.

Finally, we draped this all with BMX race-specific tread that transitions from a center band with a large contact patch to unidirectional tactile knobbies on the sides.

This aggressive combination allows for maximum traction out of the gate, immense adhesion in the corners, and low rolling resistance in the straights.

A state-of-the-art mixture of compounds is used in various areas of the apex, wall, bead seat, and center – with higher silica content in the tread to again remove more weight.


120 TPI High-Density Casing Aramid Folding Bead

High-Traction Directional Grooves for Starting Gate Grip Point

Low Rolling Resistance Center Strip Chevrons

Countless Ramped Hexagonal Directional Knobbies


Size               Roll Out   Rim Diameter     Bead Diameter    Circumference     Tread Width         Tire Width              Tire Pressure

20" x 1 1/8"   508mm    451mm               463mm                 508 (+/- 2.0)         30.74                    25.0 (+/- 1.5)        50.90 psi

20 x 1 3/8"    523mm    451mm               463mm                  523 (+/- 2.0)        38.12                    32.2 (+/- 1.5)        50-90 psi

20 x 1.5"       492mm    406mm               418mm                  492 (+/- 2.0)        52.88                   42.3 (+/- 1.5)         75-110 psi

20 x 1.75"    498mm     406mm               418mm                  498 (+/- 2.0)        60.26                   44.6 (+/- 1.5)         75-100 psi

20 x 1.9"      509mm     406mm               418mm                  509 (+/- 2.0)        66.64                   50.1 (+/- 1.5)         75-100 psi

24 x 1.75"    598mm     507mm               518mm                  598 (+/- 2.0)        60.26                  44.6 (+/- 1.5)          45-65 psi



SKU 4963
Brand BOX

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