The Elite Fly Bottle 550ml is excellence evolved. Now featuring a refined compound with more spring, aiding cage retention and avoiding compression from changes in air pressure. The Elite Fly Bottle 550ml was born directly out of years of feedback from the world's fastest riders and the desire to create the ultimate lightweight racing bidon. By bringing new materials to bidon construction and pushing mold technology to its very limits, Elite have created an incredibly lightweight bidon.   Elite Fly Bottle 550ml Features Wall thickness has been pared down to the absolute minimum whilst maintaining integrity Stripped down, 2-piece cap is light and super-fast to remove with the opening designed to easily take powder scoops Simplified, 1-piece valve can be removed for cleaning but retention is now much stiffer to avoid unwanted removal A dedicated racing bidon 100% BPA free