The Frame Bag allows the battery to be mount in the mid frame of the bicycle. It keeps the weight down.

It comes with extremely strong velcro strip that keep the battery
in place double with extra tie strap that keep the battery in place. It
comes with key on/off switch. It has many pockets for storage.

 

 

These bag are make out of high quaility 1680D Ballistic Nylon. It
is extremely durable, tough, water resistant, and rip resistant.