Cycling bags and cycling pannier bags are the easiest way to carry a lot of gear on your bike. From seatpacks for just a few essential spares, to large panniers for commuting and bike touring, there are loads of options for packing your bike.handlebar bags carry maps and valuable in front of you and a rack pack is an effective way to add a balanced load at the back. You can even transport the bike itself in a bike bag or box.