The ortlieb saddle bag complements your touring kit whether yoursquore road touring or exploring trails thisortlieb saddle bag comes in a range of sizes for different pursuits the small at 49 cubic inches is ideal for road riding and the medium at 79 cubic inches will effectively carry all of your necessities on the trails the large option comes in at a roomy 164 cubic inches and is a fantastic alternative for those who donrsquot like to be restricted by backpacks this p