The Blackburn Interlock Rear Rack is necessary if you're planning on bringing a Blackburn pannier along on your next bike journey. This rack mounts perfectly with 26", 700c and 29" wheels and works with most brake and frame mounts. It's unique locking system means that you can head anywhere with your stuff and feel confident that nothing will fall out or be taken. With the light and reflector mount, you'll have nothing stopping you on your next adventure, wherever that may take you.