2A Z-Tech Head and Neck Restraint MyChron Mount Commonly known as an "axle

Commonly known as an "axle basher"

including sprint karting

Manufactured from single-piece rubberized urethane

The Sapphire is available with the 0039 resin seat as standard

and threaded insert to tighten the whole system into place

2A Z-Tech Head and Neck Restraint MyChron Mount Commonly known as an "axleZ Tech Series 2A Head and Neck Restraint by Zamp Racing. With new features over previous models, the 2A features adjustable shoulder width and arm angle pads to fit drivers of various dimensions. Each restraint system is designed to fit onto anchors fitted to the helmet at pre determined points (most helmets have these mounting points drilled and threaded). The 2A is sold as pictured. Each neck restraint meets or exceeds SFI 38. 1 certification.