I just purchased a 2017 HD Street Glide Special and I would like to know if the SENA 20s is designed for the half Helmet?? I would like to purchase the SENA 20s in a pair, but I wear a HD half Helmet and my wife wears a HD 3/4 helmet.

I see that this would fit her helmet without a problem, but I do not see anything that the SENA 20s would fit mine is this correct? 

This system looks really nice and fits exactly what I am looking for the only problem is the half helmet. I know the older models workd with the 1/2 helmet but this SENA 20s is what I would really like to purchase.

Thanks in advance

JEff