Honda ST1300 Streetfighter

http://thekneeslider.com/honda-st1300-streetfighter/


I love this.

Lock your Motorcycle Helmet | Motorcycle Rider Basics

http://www.motorcycleriderbasics.com/someone-took-my-helmet/


This is a pretty good article on the various options out there, from a generic application.

Helmet Lock - Motorcycle Helmet Dual Lock

http://www.ascycles.com/detail.aspx?ID=1621


I'm in the market for a helmet lock for my ST1300. This might work, I'll have to study the positioning of the plate to see.