Box One Tires Size:20 X 1.90 double wall rim

double wall rim

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NDS Center to Flange: 27

M8 Allen Head for Increased Strength

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Box One Tires Size:20 X 1.90 double wall rimBox 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