LVWA&reg; Road MTB Mountain bike carbon fiber water bottle cage WS021L black We are proud to introduce two new cages designed with the same meticulous attention to detail as our wheels. The result is worry-free distinctive WS02L style and efficiency. The carbon bottle cage features an all-new ultra-light (20g) design engineered for flexibility and strength. Optimized for both side and direct bottle entry the cage provides easy access , especially on smaller frames and those with tight angles. Thin-but-strong arms flex for easy bottle insertion and removal, at any angle.