FX 1 XL BLK Gen 4

The Trek FX 1 Gen 4 Extra Large Black is a lightweight hybrid fitness bike designed for commuting, recreational riding, fitness cycling, bike paths, and everyday urban transportation. It combines the efficiency of a road bike with the comfort and confidence of a flat-bar hybrid, making it an approachable and dependable all-purpose bike for riders who want versatility and comfort.

Key Description

The FX 1 Gen 4 is Trek’s entry-level fitness hybrid, built for riders who want:

• A lightweight and comfortable everyday bike
• Upright riding ergonomics
• Reliable braking performance
• Versatility for commuting and exercise
• Rack and fender compatibility
• Smooth pavement and bike-path performance

The Gen 4 redesign modernized the FX platform with cleaner frame integration, wider tire clearance, and improved comfort while maintaining the sporty hybrid-bike feel.

Key highlights include:

• Lightweight Alpha Gold Aluminum frame
• Mechanical disc brakes
• Shimano 16-speed drivetrain
• Fast-rolling 700c wheels
• Wider tires for comfort and confidence
• Internal cable routing
• Rack and fender mounts