Grab rail

[Hayabusabike]

I use the hump 99% of the time also. You don't need it if you want a tail bag. I have 2 humps tho, 1 standard and 1 I had the 'hump mod' done, so I can have the grab rail and hump on together. The reason for that is sometimes I like a change and the benefit is that I can put the bike on the rear stand easily by holding onto the grab rail.