While a well-packed carry-on can get you far, the best checked luggage provides ample packing space for long-haul trips.

If they all have four wheels, you can strap them together and roll them as a single unit. (You can try something like this ...

The smooth-rolling wheels and retractable handle make it easy to transport, while the durable materials ensure long-lasting performance. The JD FRESH 3 Layer Convertible Waterproof Duffle Bag is ...

The wheels go into individual wheel bags and there is a padded section to protect the handlebars. There's plenty of space to fill with kit, which doubles up as extra protection.