Bern Allston Helmet Black bmx SRAM Rival 12spd

SRAM Rival 12spd

Shimano HG31

ULTEGRA - Tubeless - 24 mm Rim Depth - Rim Brake - Quick Release - Rear Wheel

Classic alloy quill stem

2 stainless steel keys

Bern Allston Helmet Black bmx SRAM Rival 12spdUrban 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