Trek FX Sport AL 3 Fitness Bike 2026

FX Sport AL 3 is a lightweight, versatile aluminum bike, perfect for exploring the path less traveled. It comes ready for anything, with a reliable and light Alpha Gold Aluminum frame, 10-speed Shimano CUES shifting, go-anywhere Bontrager Girona gravel tires, and hydraulic disc brakes.

SPECIFICATIONS

*Please note - spec applies to all sizes unless listed separately

Frameset
Frame
Alpha Gold Aluminum, internal cable routing, rack & fender mounts, post mount disc, kickstand mount, 135x5mm QR
Fork
Dual Sport carbon, internal brake routing, fender mounts, rack mounts, ThruSkew 5mm QR

Weight
Weight
M - 11.10 kg / 24.48 lbs
Weight limit
This bike has a maximum total weight limit (combined weight of bicycle, rider, and cargo) of 300 pounds (136 kg).

Drivetrain
Shifter
Shimano CUES U6000 w/optical gear display, 10 speed
Rear derailleur
Shimano CUES U6000 GS
*Crank
Size: XS, S, M
Prowheel alloy, 40T narrow-wide ring, 170 mm length
Size: L, XL
Prowheel alloy, 40T narrow-wide ring, 175 mm length
Cassette
Shimano CUES LG300, LINKGLIDE, 11-48, 10 speed
Chain
Shimano LG500
Pedal
Wellgo nylon body, alloy cage

Wheels
Hub front
Formula DC-20, alloy, 6-bolt, 100x5mm
Skewer front
139x5mm bolt-on
Hub rear
Formula DC-22, alloy, 6-bolt, Shimano 8/9/10 freehub, 135x5mm
Skewer rear
152x5mm QR
Rim
Bontrager Connection, double-wall, 32-hole, 20mm width, schrader valve
Tire
Bontrager Girona Comp, wire bead, 60 tpi, 700x42mm

Components
Saddle
Verse Short, chromoly rails, 145mm width
*Seatpost
Size: XS, S, M
Bontrager alloy, 27.2mm, 12mm offset, 330mm length
Size: L, XL
Bontrager alloy, 27.2mm, 12mm offset, 400mm length
*Handlebar
Size: XS, S
Bontrager Comp Lowriser, alloy, 31.8mm, 15mm rise, 600mm width
Size: M, L
Bontrager Comp Lowriser, alloy, 31.8mm, 15mm rise, 660mm width
Size: XL
Bontrager Comp Lowriser, alloy, 31.8mm, 15mm rise, 690mm width
Grips
Trek Line Comp, nylon lock-on
*Stem
Size: XS, S
Bontrager Elite, 31.8 mm, Blendr-compatible, 7-degree, 70 mm length
Size: M, L
Bontrager Elite, 31.8 mm, Blendr-compatible, 7-degree, 80 mm length
Size: XL
Bontrager Elite, 31.8 mm, Blendr-compatible, 7-degree, 90 mm length
Brake
Shimano hydraulic disc, MT201 lever, UR300 caliper
Brake rotor
Shimano RT26, 6-bolt, 160mm

We reserve the right to make changes to the product information contained on this site at any time without notice, including with respect to equipment, specifications, models, colors, materials, and pricing. Due to supply chain issues, compatible parts may be substituted at any time without notice.

Bike and frame weights are based off pre-production painted frames at time of publication. Weights may vary in final production.