Nolan T-bar helmet lock. Designed to work specifically withthe Nolan Microlock quick release chin strap mechanism.
Posted by Michael Shockley on 2nd Jul 2014
Could have been made of lighter material and perhaps thinner and polished for a smoother fit. Not sure what the alloy is, and there is no assurance it won't rust. At $10 it seems a little over-priced. One would think it would come free with the top of the line N104 helmet.