Troy Lee Designs D4 Polyacrylite MIPS BMX Race Helmet-Qualifier Blue/White head-tube-size-1-1-8-to-1-step-down Spindle Material: Chromoly Steel

Spindle Material: Chromoly Steel

These bars have a post-weld heat-treating which is guaranteed against manufacturer's defects

Sprockets that come with 19mm or 22mm hat washers are 15/16″ / 24mm with the hat washer removed

The AC-2 hub features revolutionary bearing installation and function never seen before in a bicycle hub

Vans Sk8-Hi Shoes-Black/Gum at J&R Bicycles were crafted specifically for the support and performance users need and expect from a quality shoe

Troy Lee Designs D4 Polyacrylite MIPS BMX Race Helmet-Qualifier Blue/White head-tube-size-1-1-8-to-1-step-down Spindle Material: Chromoly SteelThe Troy Lee Designs D4 Polyacrylite MIPS BMX Race Helmet Qualifier Blue White delivers top tier protection in a lightweight, budget friendly shell. With the same safety and comfort features as its high end counterparts, this helmet includes Mips C2 brain protection and an advanced ventilation system for airflow during intense rides. Its precision fit, impact absorbing design, and emergency ready cheek pads make it a trusted choice for serious racers.