Optimal height and width reduces drag caused by stem and headset spacers with no increase in frontal area; 72 degree nose fits tight against stem, tapering into a smooth aero profile; 4 easily accessible exterior pockets end the risk of dropping small vitals when they are needed most; Pockets are highly elasticized to keep items protected yet easily accessible; Large, easy-pull zipper for ease of access to main compartment; Highly visible, silver colored interior makes it easy to find contents; Durable, non-seizing steel screws for easy installation and removal; Rubberized hull stabilizes storage; Structured inserts maintain shape even at full capacity