Castelli waterbottle castelli water bottle featuring a whole new manufacturing and design change from the winter of 2011 made by italian company elite in castellis corporate colours of red and white this is a stylish finishing touch to any castelli fans bicycle the bottle holds 550ml of fluid and is easy to fill use and clean the white soft squeeze bottle features soft red bite valve red gripper fins as well as the castelli scorpion design front and rear features soft squeezable construct