ENVE Bottle Cage Ride and drink responsibly. The ENVE Bottle Cage has a full carbon fiber construction adds minimal weight to the bike and adds a whole lot of class. Water bottle cages can be underappreciated feature of the bike. The ENVE Bottle Cages features easy dual side and vertical entry. Paired with stainless hardware, the ENVE Bottle Cage weighs in at a meager 19 grams a piece. ENVE Bottle Cage Features:Dual side entry Vertical entry Full carbon fiber construction Stainless hardware Weight: 21 grams | Enve | Bottle Cage Black