Introducing the bontrager comp seat pack bag carrying essentials with you whilst you go on a ride is important the comp seat pack allows you to do just that the bag attaches to your seatpost via hook and loop straps which fasten to the saddle rails and the seatpost itself the opening to the saddlebag is angled to provide easier access and less chance for things to fall out the seat pack is ideal for carrying multiple items for example keys wallet or a spare inner tube on the rear facing