Fizik Aeris Link Trek FX Sport 4 is a

FX Sport 4 is a carbon fibre fitness bike for riders who want the speed of a lightweight road bike with the comfort and control of a flat handlebar

Weight 533 grams per pair

and EasyRide Tubeless tires let you run lower pressure for a smoother ride quality and a reduced risk of flats

Your grip is the last thing you should be thinking about while turning the pedals

Fizik Aeris Link Trek FX Sport 4 is aA smart cycling accessory that allows riders to easily connect a water bottle cage to either our Aeris Short Distance or Long Distance Triathlon saddles for convenient hydration on the go. For fast access to much needed hydration during training and races, the Aeris Link enables the convenient attachment of a water bottle cage to the rear of both our Aeris Short Distance and Long Distance Triathlon saddles. The Aeris Link features a smart, sloped