I have this one . to start with it was a little fiddly but now i can get my helmet locked quickly with no problems. The reason I went for this one was because I could change the position to one side of the bike to the other just like that because I ordered an extra washer to do it. I also ordered an extra long cable so that when on trips, I could lock the bike to something secure as well as my helmet and even my jacket if I wanted. Just more versatile is all.
