There is a huge range of motorcycle rucksacks available, from cheap to expensive and everything in between. The most common type is soft fabric backpacks ... second type is a hardshell rucksack ...
Hunched over a sport bike? You might consider a hardshell backpack that reduces wind drag. Motorcycle backpacks range in size from 15 up to 40 liters (or perhaps even more, but after 40 they tend ...