How much is a litre? Capacity of Givi Luggage.

Givi Easy Range T481 at ghostbikes.com

When looking at luggage solutions for your bike they are all listed by their litre sizes.  Whilst there isn’t anything practical that is more accurate than this I know that I personally would struggle to be able to tell the difference between 26 litres and 30 litres.  Obviously one is bigger than they other but [...]