FX 2 L-MD BLU Gen 4
The Trek FX 2 Gen 4 Lowstep Medium Blue is a versatile hybrid fitness bike designed for commuting, recreational riding, fitness cycling, bike paths, and everyday urban transportation. The “L-MD” designation refers to Trek’s Lowstep Medium frame platform, which combines easy mounting and dismounting with the sporty efficiency of the FX fitness-bike lineup.
Key Description
The FX 2 Gen 4 Lowstep is built for riders who want:
- A lightweight and efficient everyday bike
- Easier accessibility with a lowstep frame
- Comfortable upright ergonomics
- Reliable hydraulic disc brakes
- Versatility for commuting and fitness riding
- Rack and fender compatibility
The Gen 4 redesign introduced cleaner frame integration, internal cable routing, and wider tire clearance for improved comfort and capability while maintaining the FX’s fast and responsive ride feel.
Key highlights include:
- Lightweight Alpha Gold Aluminum lowstep frame
- Carbon fork for vibration reduction
- Shimano 9-speed drivetrain
- Hydraulic disc brakes
- Fast-rolling 700c wheels
- Wider tires for comfort and stability
- Internal cable routing
| Component | Specification |
|---|---|
| Frame | Alpha Gold Aluminum Lowstep |
| Fork | FX carbon fork |
| Drivetrain | Shimano CUES / Alivio mix |
| Speeds | 1x9 |
| Shifters | Shimano CUES U4000 |
| Rear Derailleur | Shimano CUES U4000 |
| Cassette | Shimano LINKGLIDE 11-46 |
| Crankset | Forged alloy 40T |
| Brakes | Shimano hydraulic disc |
| Rotors | 160mm front/rear |
| Wheels | Bontrager Connection |
| Tires | Bontrager H2 Comp 700x35c |
| Tire Clearance | Up to 40c |
| Handlebar | Bontrager alloy flat bar |
| Stem | Bontrager alloy |
| Saddle | Bontrager Sport |
| Seatpost | Bontrager alloy |
| Frame Size | Lowstep Medium |
| Color | Blue |
| Weight | Approx. 25 lbs / 11.3 kg |
| Wheel Size | 700c |
Features & Highlights
- Lowstep frame design improves accessibility and rider confidence
- Carbon fork reduces road vibration for a smoother ride
- Hydraulic disc brakes provide strong stopping power in all weather
- Wide-range 1x drivetrain simplifies shifting and maintenance
- Internal cable routing creates a cleaner modern appearance
- Rack and fender mounts increase commuter versatility
- Wider tires improve comfort, traction, and stability
Lowstep Medium Fit
The Lowstep Medium frame generally fits riders approximately:
- 5'5"–5'9"
The geometry is designed to feel:
- Comfortable and upright
- Stable in urban environments
- Efficient on pavement and bike paths
- Easy to mount and dismount
Ride Feel
The FX 2 Gen 4 Lowstep is known for:
- Quick and efficient acceleration
- Comfortable hybrid-bike ergonomics
- Smooth handling on pavement and bike paths
- Excellent versatility for commuting and fitness
- Confidence inspiring control for newer riders
Compared with traditional comfort hybrids, the FX 2 Lowstep feels more sporty and responsive while still remaining approachable and comfortable.
Ideal Rider
This bike is ideal for:
- Fitness riders
- Commuters
- Recreational cyclists
- Riders wanting easier mounting and dismounting
- Urban riders
- Cyclists looking for one versatile all-purpose bike
Complete Your Ride
Everything You Need for the Road
Gear matched to your bike — safety, comfort, and convenience.

Helmet
Bontrager Solstice MIPS Helmet — S/M (Blue)
$74.99
Add to Cart →
Grips
Bontrager XR Trail Comp MTB Grip — Blue
$19.99
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Bell
BELL INCREDIBELL ADJUSTABLE
$12.99
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Gloves
GLOVE SOL MED BLK BNT
$32.99
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Lights
FREEWHEELER VISION LIGHT SET FRONT AND REAR
$19.99
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Water Bottle
FBC WATER BOTTLE 26OZ
$10.99
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