What is the Bike Bag? The Bike Bag has been specifically designed to allow you to easily carry any essential items with you when out on your bike. The Bike Bag has en easily accessible main pocket that contains a key clip & a zipped inner for small items as well as two outer pockets, one of which is clear to allow you to display ID information. How does the Bike Bag work? The Bike Bag features Velcro tags that have been designed to securely attach to the top tube, it also has a high visibility reflective trim allowing you to be seen more easily at night. The Bike Bag is available with red, yellow or pink detailing.