This is a replacement part for the insert that is included with the flush out-front bike mount. This modular insert helps attach the flush out-front bike mount to the Edge® 1030 external battery pack.
The Purist Fixy Bottle features an amorphous silicon dioxide coating that's infused into the inner-wall of the bottle. Essentially, this forms a glass-like finish that provides a totally natural, and completely inert, solution to the problem of your drink