The FX 4 is where performance fitness bikes begin. A lightweight aluminium frame, a wealth of performance features and a 1×11 drive train that simplifies shifting without sacrificing gear range give you the capability to take on longer commutes and faster recreational rides without sacrificing the versatility that has made the FX Trek’s best-selling line-up ever.
Frame | Alpha Gold Aluminium, DuoTrap S-compatible, internal cable routing, flat-mount disc, rack and mudguard mounts, 135×5 mm QR |
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Fork | FX Carbon, rack and mudguard mounts, flat-mount disc, 405 mm axle-to-crown. ThruSkew 5 mm QR |
Hub front | Formula DC-20, alloy, 6-bolt, 5×100 mm QR |
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Hub rear | Formula DC-22, alloy, 6-bolt, Shimano 8/9/10 freehub, 135×5 mm QR |
Rim | Bontrager Affinity Disc, Tubeless Ready, 32-hole, 21 mm width, presta valve |
Spokes | 14 g stainless steel, black |
Tyre | Bontrager H2 Comp, wire bead, 30 tpi, 700x32c |
Shifter | Shimano Deore M5100, 11-speed |
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Rear derailleur | Shimano Deore M5100, long cage, Shadow Plus |
Crank | ProWheel alloy, 42T, 175 mm |
Cassette | Shimano Deore M5100, 11-51, 11-speed |
Pedal | Bontrager Satellite City pedal |
Saddle | Bontrager H1 |
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Seatpost | Bontrager alloy, 27.2 mm, 12 mm offset, 330 mm length |
*Handlebar | Size: S, M Bontrager Satellite Plus IsoZone, alloy, 31.8 mm, 15 mm rise, 600 mm width |
Size: L, XL, XXL Bontrager Satellite Plus IsoZone, alloy, 31.8 mm, 15 mm rise, 660 mm width |
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Grips | Bontrager Satellite IsoZone Plus, lock-on, ergonomic |
*Stem | Size: S Bontrager Elite, 31.8 mm, Blendr-compatible, 7-degree, 90 mm length |
Size: M, L Bontrager Elite, 31.8 mm clamp, Blendr-compatible, 7-degree, 100 mm length |
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Size: XL, XXL Bontrager Elite, 31.8 mm clamp, Blendr-compatible, 7-degree, 110 mm length |
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Head set | 1-1/8″ threadless, sealed cartridge bearings |
Brake | Shimano MT201 hydraulic disc, flat-mount, 160 mm rotor |
Brake rotor | Shimano RT26, 6-bolt,160 mm |
Weight | M – 11.52 kg / 25.4 lbs |
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Weight limit | This bike has a maximum total weight limit (combined weight of bicycle, rider and cargo) of 136 kg (300 lb). |