Originally Posted by daihard

I decided on a pair of Ortlieb Front Roller Classics. I do like the fact that the GT-18 has external pockets, which come in handy as I can just throw my keys, wallet and cellphone in there without opening the pannier itself. However, the Front Roller's form factor (12.5 L x 2) was more appealing to me than that of the GT-18 (18 L x 1). The pair configuration allows me to go lightweight by using just one when I don't have much to carry. My wife and I can use one each on a weekend bike trip as well.