Trek FX+ 2 Mid-step LT 2025
Bike details
Key information split into simple groups.
Bike summary
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Frame Aluminum
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Groupset Acera
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Suspension Rigid
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Motor 250W 40Nm hub-drive
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Battery 250Wh, integrated in down tube
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Drivetrain 1 × 8
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Brakes Shimano Hydraulic Disc
Recommended size guide.
45cm
155cm - 166cm
50cm
164cm - 176cm
55cm
174cm - 186cm
Parts list
Main components, grouped by system.
Bike components
Frame
Frame
Alpha Gold Aluminum, internal cable routing, internal battery, rack & fender mounts, post mount disc, kickstand mount, 144.5mm OLD hub motor spacing
Suspension Fork
FX+ alloy, internal brake routing, fender mounts, rack mounts, ThruSkew 5mm bolt-on skewer
Drivetrain
Rear Derailleur
Shimano Acera M3020-8, 40T max cog
Shift Levers
Shimano M315, 8 speed
Cassette
Shimano HG400, 11-40, 8 speed
Crank
Size: S, M, ProWheel Pro alloy, 42T narrow-wide steel ring, 170mm length; Size: L, ProWheel Pro alloy, 42T narrow-wide steel ring, 175mm length
Bottom Bracket
Torque sensor, threaded, 122.5mm spindle
Chain
KMC Z8.3
Pedals
Bontrager City pedals
Wheels
Front Hub
Formula DC-20, alloy, 6-bolt, 5x100mm QR
Rear Hub
Hyena hub drive motor, 40Nm, 250W
Rims
Bontrager Connection, double-wall, 32-hole, 20mm width, schrader valve
Spokes
14g stainless steel, black
Tires
Bontrager H2 Comp, reflective strip, wire bead, 30 tpi, 700x40mm
Brakes
Brakes
Shimano hydraulic disc, MT200 lever, UR300 caliper
Cockpit
Stem
Size: S, M, Bontrager Comp, 31.8mm, Blendr compatible, 7 degree, 90mm length; Size: L, Bontrager Comp, 31.8mm, Blendr compatible, 7 degree, 100mm length
Handlebar
Size: S, M, Bontrager alloy, 31.8mm, 15mm rise, 660mm width; Size: L, Bontrager alloy, 31.8mm, 15mm rise, 690mm width
Grips
Bontrager XR Endurance Comp, lock-on
Seat
Saddle
Bontrager Sport Women's
Seatpost
Size: S, M, Bontrager alloy, 31.6mm, 12mm offset, 330mm length; Size: L, Bontrager alloy, 31.6mm, 12mm offset, 400mm length
Motor & Battery
Motor
Hyena hub drive motor, 40Nm, 250W
Battery
250Wh, integrated in down tube
Charger
2A, 42V output, 100V-240V AC input
Fit data
Numbers for sizing and ride feel.
| Size | 45cm | 50cm | 55cm |
|---|---|---|---|
| Stack Reach Ratio | 1.581 mm | 1.61 mm | 1.654 mm |
| Bottom Bracket Height | 286 mm | 286 mm | 286 mm |
| Front Center | 633 mm | 636 mm | 650 |
| Rake | 50 mm | 49 mm | 51 mm |
| Trail | 76 mm | 73 mm | 69 mm |
| Stack | 604 mm | 620 mm | 650 |
| Reach | 382 mm | 385 mm | 393 mm |
| Top Tube Length | 569 mm | 574 mm | 592 mm |
| Seat Tube Angle | 73.5 ° | 73 ° | 73 ° |
| Seat Tube Length | 408 mm | 463 mm | 507 mm |
| Head Tube Angle | 70 ° | 70.5 ° | 71 ° |
| Head Tube Length | 155 mm | 170 mm | 200 mm |
| Chainstay Length | 468 mm | 468 mm | 468 mm |
| Wheelbase | 1092 mm | 1095 mm | 1109 mm |
| Bottom Bracket Drop | 70 mm | 70 mm | 70 mm |
| Standover Height | 655 mm | 672 mm | 693 mm |
| Wheels | 700 | 700 | 700 |
| Rider Min Height | 155 cm | 164 cm | 174 cm |
| Rider Max Height | 166 cm | 176 cm | 186 cm |
