Attach these lightweight brackets to your water bottle bosses to serve as anchors for your cargo straps to carry just about anything, from sleeping pads to Nalgene bottles to barbecue sauce. These are a great addition to any bikepacking or touring cyclist&';s on-bike storage toolkit. And their low profile means they don&';t mess up the looks of your bike build while not in use. Tech Details a Straps not included: use rubberized straps with a locking mechanism for best resultsa Lightweight, stamped AL-6061a 3 lb weight limita Mounting hardware included