5“ BB height and 13

Whilst grinding on the BB shell of your frame is cool

along with machined grooves inside the cap

soft and flexible Visoelastic foam for superior comfort but also extreme impact absorption

DRIVER:16T

Box One 120 TPI 20" Folding Race Tyre supplier_54521699336518 5“ BB height and 13The Box One 120 TPI Folding Tyre was built with low weight, traction, rolling resistance and rebound in mind to ensure a true performance tyre was created. At its heart is a super supple 120TPI casing where Box forced in as much rubber displacing nylon as possible. Skin walls are employed to reduce drag and further reduce weight. They flanked the high density casing with a tightly packed hoop of aramid fibers. Finally, they draped this all with BMX