can somebody help me out?
I want to buy one of these tank bags:

off the road enduro-max: http://www.off-the-road.de/xt660z_te...aeck.html?&L=1
or the Touratech tank bag: http://www.touratech.com/shops/001/p...8e734e8bf5c750

so difficult to decide only seeing this bags on a webpage.