Trek FX 1 Gen 4 - Dark Star

$899.00
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Description

Trek FX 1 Stepover Gen 4 – Darkstar

Looking for a bike that can do it all—without breaking the bank? The Trek FX 1 Stepover Gen 4 is a lightweight, dependable hybrid that’s built for city cruising, weekend workouts, and everything in between.

Whether you're commuting to work, riding for fitness, or just rolling to the café, the FX 1 delivers a smooth, confident ride. Its lightweight aluminium frame makes it easy to handle, while disc brakes give you reliable stopping power in any weather. A wide gear range helps you tackle hills with ease, and there are plenty of mounts for racks, fenders, and more to make it your own.

Finished in a sleek Darkstar colourway, this bike looks as sharp as it rides.

Perfect for:
✔️ Fitness riders
✔️ Commuters
✔️ Everyday cruisers

Key Features:

  • Lightweight aluminium frame with a step-over design for easy on/off

  • Reliable disc brakes for confident stopping

  • 21-speed drivetrain for tackling varied terrain

  • Mounts for racks, fenders, kickstands and more

  • Sleek Darkstar finish for a modern, understated look

If you’re after a capable and comfortable all-rounder that fits your life (and your budget), the Trek FX 1 Stepover Gen 4 is ready to roll.

Specification

Frameset
Frame Size: S, XL, XS, L, M
Alpha Gold Aluminium, internal cable routing, rack & mudguard mounts, post mount disc, kickstand mount, 135x5 mm QR
Fork Size: S, XL, XS, L, M
FX Steel, Flat-mount Disc, Rack Mounts, 410mm Axle to Crown, ThruSkew 5mm QR
Wheels
Front Hub Size: S, XL, XS, L, M
Formula DC-20, alloy, 6-bolt, 5x100 mm QR
Front Skewer Size: S, XL, XS, L, M
139x5 mm bolt-on
Rear Hub Size: S, XL, XS, L, M
Formula DC-22, alloy, 6-bolt, Shimano 8/9/10 freehub, 135x5 mm QR
Rear Skewer Size: S, XL, XS, L, M
152x5mm Quick Release
Tyre Size: S, XL, XS, L, M
Bontrager H2 Comp, Wire Bead, 30tpi, 700c x 35mm
Drivetrain
Shifter Size: S, XL, XS, L, M
Shimano EF500, 2-speed
Size: S, XL, XS, L, M
Shimano EF500, 8-speed
Front Derailleur Size: S, XL, XS, L, M
Shimano Tourney TY606, 31.8/34.9 mm clamp, top swing, dual pull
Rear Derailleur Size: S, XL, XS, L, M
Shimano Acera M3020-8, 40T max cog
Crank Size: S, XL, XS, L, M
Forged alloy, 46/30, 170 mm length
Bottom Bracket Size: S, XL, XS, L, M
Sealed cartridge, 68 mm
Cassette Size: S, XL, XS, L, M
Shimano 8-speed, 12-32T
Chain Size: S, XL, XS, L, M
KMC Z8.3
Pedal Size: S, XL, XS, L, M
Wellgo nylon platform
Components
Saddle Size: S, XL, XS, L, M
Bontrager Sport
Seatpost Size: S, XS, M
Bontrager alloy, 27.2 mm, 12 mm offset, 330 mm length
Size: XL, L
Bontrager alloy, 27.2 mm, 12 mm offset, 400 mm length
Handlebar Size: S, XS, L, M
Bontrager Riser, steel, 25.4 mm, 30 mm rise, 600 mm width
Size: XL
Bontrager Riser, steel, 25.4 mm, 30 mm rise, 620mm width
Grips

Size: XS,S,M,L,XL

Trek Line Ergonomic Comp - Lock-On

Stem

Size: XS, S, M

Bontrager Alloy, 25.4mm Clamp, 10-degree, 90mm Length

Size: L,XL

Bontrager Alloy, 25.4mm Clamp, 10-degree, 110mm Length
Brake Size: S, XL, XS, L, M
Tektro MD-U310 mechanical disc
Brake Rotor Size: S, XL, XS, L, M
Tektro wave, 6-bolt, 160 mm
Weight
Weight Limit This bike has a maximum total weight limit (combined weight of bicycle, rider and cargo) of 136 kg (300 lb).

 

Sizing

Trek FX 1 Disc Sizing

How tall are you?

To measure your height, stand up straight, barefoot, with your back, heels, shoulders and head all touching a wall. While looking straight ahead, place a book or straight edge on your head and slowly push it against the wall. Your straight edge should be parallel with the floor. Mark the spot where the bottom of the book is touching the wall. The distance from the marked spot to the floor is your height.

What is your inside leg?

How to measure: Stand barefoot with your back straight and against a wall. Tuck a ruler or something that extends to the floor between your legs. Using both hands, and keeping it level, pull the ruler up into your crotch as if you were sitting on the saddle. Measure the distance from the top edge of the ruler to the ground to find your inside leg measurement. Your inside leg is very important to your final bike size so please measure carefully.

Size Rider Height Inseam 
XS 147 - 155 cm 69 - 73 cm
S 155 - 165 cm 72 - 78 cm
M 165 - 175 cm 77 - 83 cm
L 175 - 186 cm 82 - 88 cm
XL 186 - 197 cm 87 - 93 cm


Geometry

Trek FX 1 Disc Geometry

All measurements are provided in cm unless otherwise stated.

SIZING TABLE

Frame Size Letter XS S M L XL
Wheel Size 700c 700c 700c 700c 700c
A - Seat Tube 33.0 37.5 42.0 46.5 52.0
B - Seat Tube Angle 75° 74.5° 74° 73.5° 72.5°
C - Head Tube Length 11.5 14.0 16.5 19.0 21.5
D - Head Angle 70.0° 70.5° 71.0° 71.5° 72.5°
E - Effective Top Tube 52.8 54.3 56.3 58.3 61.3
F - Bottom Bracket Height 28.5 28.5 28.5 28.5 28.5
G - Bottom Bracket Drop 6.5 6.5 6.5 6.5 6.5
H - Chainstay Length 44.7 44.7 44.7 44.7 44.7
I - Offset 5.0 5.0 5.0 5.0 5.0
J - Trail 7.4 7.1

6.8

6.4 5.8
K - Wheelbase 105.2 105.9 107.0 108.0 108.7
L - Standover 67.5 71.5 75.4 79.1 83.6
M - Frame Reach 38.3 38.5 39.3 39.9 40.9
N - Frame Stack 54.3 56.8 59.4 62.0 64.8