PRO Top Tube Gravel Bag - 700ml - Grey Gift Card The aluminium crank interface is

The aluminium crank interface is tried

Chrome plated and powder coated heavy gauge steel construction

Rails: S-Tube rails are hollow steel tubes

Cons: No backwards compatibility for the I-Spec mounts

PRO Top Tube Gravel Bag - 700ml - Grey Gift Card The aluminium crank interface isThe PRO Discover Top Tube Bag is a waterproof top tube bag for bikepacking. Designed to provide you with a better sports' bicycle experience the PRO Discover Top Tube Bag provides bikepackers with an easily accessible storage solution. It features a 700 millilire capacity, a waterproof construction as well as a waterproof zipper. A cable exit port allows you to charge a GPS head unit while riding and a bungee cord provides added storage options. The