Alpinestars A-4 Max Chest Protector Size:X-Small/Small Independently lab and rider tested

Independently lab and rider tested

The edge cutouts combined with the chromium carbide roller pins allows the EK Z3D to engage smoother and with much less friction compared to your traditional chain design

The C-Frame chassis is designed to break before injuring: The shin bone (Tibia) or the thigh bone (Femur)

These guards mount to the frame providing top-tier frontal and side impact protection without interfering with fan kits

Powerlip frame Pad

Alpinestars A-4 Max Chest Protector Size:X-Small/Small Independently lab and rider testedFeatures a new Cell Technology back protector. Removable shoulder pads for customizable use. Extended padding to offer more protection against tire roost without obstructing arm movement. The protector plastic shells are perforated for maximum breathability and cooling ventilation. Adjustable elastic strap incorporates thermoformed perforated rib protection panels for high levels of protection without compromising movement. Elastic closure system