Trek FX 3 Gen 4 Bike 2025 Hex Blue lift Air-Flo™ Inner Leg Vents

Air-Flo™ Inner Leg Vents

or remove the ear pads to enjoy ventilation during the summer season

In summary

curved top tube

and it changed my riding forever

Trek FX 3 Gen 4 Bike 2025 Hex Blue lift Air-Flo™ Inner Leg VentsThe Trek FX 3 Gen 4 combines a lightweight Alpha Gold Aluminum frame with an FX carbon fork to deliver responsive handling and a smooth ride across urban and mixed terrain environments. Outfitted with Shimano CUES 10 speed shifting and hydraulic disc brakes, it offers reliable performance and confident stopping power in all conditions. Integrated rack and fender mounts, ergonomic grips, and tubeless ready rims make it a versatile choice for fitness