Bern Allston Helmet Black bmx 4” SE Bozack tires are

4” SE Bozack tires are just wide enough to give stability and cushion

Classic alloy quill stem

Reclinable system allows to recline the whole seat up to 20 degrees

Shimano HG31

Bern Allston Helmet Black bmx 4” SE Bozack tires areUrban cyclist styling, bold colors and prints, and overall comfort and performance Zipmold Technology for a tapered, thinner, low profile fit that is lighter weight with a higher strength to weight ratio than in mold helmets 16 vents for more than twice as much airflow as Bern's other leading bike models Performance liner with adjustable dial allows for a customized fit with moisture control and is replaceable should one need to freshen up a bit