FX 1 STEPOVER GEN 4

The Trek FX 1 Stepover Gen 4 is a reliable, all-purpose hybrid bike designed for fitness, commuting, and everyday riding. Its lightweight Alpha Gold aluminum frame and steel fork provide durability and comfort across mixed surfaces. The Shimano EF500 8-speed drivetrain, paired with an Acera rear derailleur, delivers smooth and reliable shifting, while mechanical disc brakes offer consistent stopping power in all weather conditions. Equipped with 700×35 mm Bontrager H2 Comp tires and sturdy double-wall Bontrager Connection wheels, the FX 1 Gen 4 ensures a stable and comfortable ride. Rack, fender, and kickstand mounts make it highly practical for daily use, while its ergonomic design keeps riders confident and efficient on every journey.

Full Specifications

Frame & Fork

• Frame: Alpha Gold Aluminum, internal cable routing, rack & fender mounts, post-mount disc brakes, kickstand mount, 135×5 mm QR rear axle

• Fork: Steel FX fork, flat-mount disc mount, rack mounts

Drivetrain

• Shifters: Shimano EF500, 8-speed

• Front Derailleur: Shimano Tourney TY510/TY606

• Rear Derailleur: Shimano Acera M3020‑8

• Crankset: Alloy, 46/30T, 170 mm

• Cassette: Shimano HG200, 12–32T

• Chain: KMC Z8.3

Brakes

• Type: Mechanical disc brakes (Tektro MD‑U310)

• Rotors: 160 mm Tektro wave, 6-bolt

Wheels & Tires

• Rims: Bontrager Connection, double-wall, 32-hole, 20 mm internal width

• Hubs: Formula DC‑20 front, DC‑22 rear, Shimano 8/9/10 freehub, 6-bolt

• Tires: Bontrager H2 Comp, 700×35 mm

Cockpit

• Handlebar: Bontrager Riser, steel, 25.4 mm clamp, 30 mm rise

• Stem: Bontrager alloy, 25.4 mm clamp, 10°, 90–110 mm depending on size

• Grips: Bontrager Satellite lock-on

• Saddle: Bontrager Sport

• Seatpost: Bontrager alloy, 27.2 mm diameter, 12 mm offset, 330 mm length

Weight & Capacity

• Bike Weight: Approx. 12.57 kg / 27.7 lb (size M)

• Maximum Total Load: 136 kg (300 lb)

Geometry & Fit

• Sizes: XS, S, M, L, XL

• Rider Height: XS 147–155 cm, S 155–165 cm, M 165–175 cm, L 175–186 cm, XL 186–197 cm

• Frame geometry: Trek standard hybrid geometry, offering stable and comfortable ride posture