Details
FX+ 2 Mid-step is a lightweight city electric bike that’s designed to make everyday excursions faster and more fun. It has an intuitive and natural-feeling pedal assist system that makes exploring your city extra exciting and cruising up hills a breeze. Useful accessories like a rack and fenders add even more versatility to this bike.
It's right for you if...
You want a lightweight, simple to use city e-bike that brings a capable boost to daily errands, commutes, and joyrides around your city.
The tech you get:
A lightweight aluminum frame with a stagger design that makes it easier to hop on and off, Trek's proprietary pedal assist system by Hyena with a hub motor (250W, 40Nm) that assists up to 20 mph, and a 250Wh battery for a range of up to 35 miles per charge. Plus, fast 700c wheels, fast-rolling yet stable 40c tires with reflective sidewalls, a reliable 8-speed Shimano drivetrain, hydraulic disc brakes, integrated lights powered by the battery, an MIK-compatible rear rack, fenders, and a kickstand.
The final word:
All the versatility and confidence of FX, with an electric boost that helps you do more and go farther! FX+ also comes with ride-ready accessories like a rack and fenders that make it easier to commute and run errands.
Why you'll love it
- This is an ultralight city e-bike, making it easier to maneuver while parking and less of a pain to carry up stairs
- The pedal assist system has a hub motor for a more natural ride feel and a simple LED remote that indicates your assist setting
- It really is ready to roll, with included accessories like fenders, lights, and a MIK-compatible rear rack
- Double your range with a 250Wh plug-and-play Range Extender battery that uses water bottle mounts to attach to your frame
- The staggered frame design looks sleek and makes hopping on and off simple wherever you roll

Frame size number | 45cm | 50cm | 55cm |
---|---|---|---|
Frame size letter | S | M | L |
Wheel size | 700c | 700c | 700c |
A — Seat tube | 40.8 | 46.3 | 50.7 |
B — Seat tube angle | 73.5° | 73.0° | 73.0° |
C — Head tube length | 15.5 | 17 | 20 |
D — Head angle | 70.0° | 70.5° | 71.0° |
E — Effective top tube | 56.9 | 57.4 | 59.2 |
F — Bottom bracket height | 28.6 | 28.6 | 28.6 |
G — Bottom bracket drop | 7 | 7 | 7 |
H — Chainstay length | 46.8 | 46.8 | 46.8 |
I — Offset | 5 | 5 | 5 |
J — Trail | 7.6 | 7.3 | 6.9 |
K — Wheelbase | 109.2 | 109.5 | 110.9 |
L — Standover | 65.5 | 67.2 | 69.3 |
M — Frame reach | 38.2 | 38.5 | 39.3 |
N — Frame stack | 60.4 | 62 | 65 |
Size | Rider Height | Inseam |
---|---|---|
S | 155 - 165 cm 5'1" - 5'5" |
72 - 78 cm 28" - 31" |
M | 165 - 175 cm 5'5" - 5'9" |
77 - 83 cm 30" - 33" |
L | 175 - 186 cm 5'9" - 6'1" |
82 - 88 cm 32" - 35" |
Videos
Part Numbers
Option | UPC | MPN | Store SKU |
---|---|---|---|
Blue Sage / Medium / 700c | 768682540282 | 5293774 | FX218418503E |
Blue Sage / Large / 700c | 768682540329 | 5293775 | FX218276927E |
Satin Trek Black / Small / 700c | 768682540565 | 5293770 | FX224371981K |
Satin Trek Black / Medium / 700c | 768682540121 | 5293771 | FX224109983K |
Satin Trek Black / Large / 700c | 768682540305 | 5293772 | FX224878560K |
Satin Mulsanne Blue / Small / 700c | 768682540169 | 5293776 | FX227975105E |
Satin Mulsanne Blue / Medium / 700c | 768682540428 | 5293777 | FX227287546E |
Satin Mulsanne Blue / Large / 700c | 768682540404 | 5293778 | FX227455280E |