Trek Fly Bottle 5319468

What it does The Trek Fly Bottle is Trek's branded version of the Elite Fly platform - one of the lightest cycling bottles on the market. Finished in Trek's brand colourways for riders who want a co-branded bottle to match their frame. Construction & Capacity Ultra-lightweight squeezable BPA-free plastic. Wide opening for easy filling and cleaning. Available in two capacities: 550ml (race day and training) and 740ml (endurance and long rides). Both sizes fit standard cycling bottle cages - the 740ml is a tighter fit in some race-spec aero cages. Available in multiple Trek colourways - select the colour and capacity that match your kit and ride distance.