XStack Tear Offs for Pyrotect, Bell Vortex, M4, K-1, BR-1 - 10205C by AA Both include Bluetooth and VOX

Both include Bluetooth and VOX music-dimming

Additionally Stilo has made an improvement on the SA2020 Carbon Helmets: SA2020 ST5

no priority where all channels are open and heard equally or radio only where auxiliary functions are turned off completely

All components are concealed for a clean

1/16" Allen wrench

XStack Tear Offs for Pyrotect, Bell Vortex, M4, K-1, BR-1 - 10205C by AA Both include Bluetooth and VOXRacing Optics XStack helmet system, featuring a patented laminated tearoff technology, is a 2 mil thick, 10 layer tearoff stack that is great for all dirt racing applications. Each sleeve contains 3 stacks of 10 tearoffs. For a total of 30 tearoffs per sleeve. Optical grade Mylar tearoffs laminated into stacks increase visibility by allowing more light transmission by reducing the amount of reflected light tearoff between layers. Features: