Box One Tires Size:20 X 1.90 MATERIAL high quality racing rubber

MATERIAL high quality racing rubber compound

double wall rim

Use: Brakeless

Give them the gift of choice w/ a Flat Society gift card

adjustable slack

Box One Tires Size:20 X 1.90 MATERIAL high quality racing rubberBox One 120 TPI Folding Tires were engineered w a minimalist approach to hit lofty goals for weight, traction, rolling resistance, & 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 & further reduce weight. We flanked the high density casing w a tightly packed hoop of aramid fibers. Finally, we draped this all w BMX race specific tread that