FX 1 Gen 4 - Trek Bikes (IN)

Overview

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Eight tips for fun, stress-free bike commutes.

Learn more

When a Washington, DC, teacher saw what school closures would mean for his pupils, he turned to bikes. And that changed everything.

How NYC barber Julien Howard uses his bicycle to provide an out-of-the-box experience

Features

Pedals are two of the five touchpoints that connect you with your bike, and even though this bike comes with a pair, upgrading to pedals that boost control and grip will greatly improve your ride. See the pedal guide and find the best pedals for your riding style. We recommend flat pedals for simple versatility.

See the guide

Deck out your FX with our favourite compatible accessories

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Reliable stopping power in all conditions, including wet and muddy.

Our high-performance lightweight aluminium is continuously cold extruded and butted, and formed into manipulated tube shapes to balance strength and save weight.

Specs

Frame	Alpha Gold Aluminium, internal cable routing, rack & mudguard mounts, post mount disc, kickstand mount, 135x5 mm QR
Fork	FX steel, flat-mount disc, rack mounts, 410 mm axle-to-crown, ThruSkew 5 mm QR

Hub front	Formula DC-20, alloy, 6-bolt, 5x100 mm QR
Skewer front	139x5 mm bolt-on
Hub rear	Formula DC-22, alloy, 6-bolt, Shimano 8/9/10 freehub, 135x5 mm QR
Skewer rear	152x5 mm QR
Rim	Bontrager Connection, double-wall, 32-hole, 20 mm width, Schrader valve
Tyre	Bontrager H2 Comp, wire bead, 30 tpi, 700x35 mm
Max tyre size	700x40 mm

*Shifter	Size: XS, S, M, L, XL Shimano EF500, 2-speed
Size: XS, S, M, L, XL Shimano EF500, 8-speed
Front derailleur	Shimano Tourney TY606, 31.8/34.9 mm clamp, top swing, dual pull
Rear derailleur	Shimano Acera M3020-8, 40T max cog
Crank	Forged alloy, 46/30, chainguard, 170 mm length
Bottom bracket	Sealed cartridge, 68 mm
Cassette	Shimano 8-speed, 12-32T
Chain	KMC Z8.3
Pedal	Wellgo nylon platform
Max. chainring size	1x: 44T, 2x: 46/32

Saddle	Bontrager Sport
Seatpost	Bontrager alloy, 27.2 mm, 12 mm offset, 330 mm length
*Handlebar	Size: XS, S, M, L 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	Bontrager Satellite
*Stem	Size: XS, S, M Bontrager alloy, 25.4 mm clamp, 10-degree, 90 mm length
Size: L, XL Bontrager alloy, 25.4 mm clamp, 10-degree, 110 mm length
Brake	Tektro MD-U310 mechanical disc
Brake rotor	Tektro wave, 6-bolt, 160 mm
Rotor size	Max brake rotor sizes: 160 mm front and rear

Weight	M – 13.00 kg/28.67 lb
Weight limit	This bike has a maximum total weight limit (combined weight of bicycle, rider and cargo) of 136 kg (300 lb).

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.

Geometry

Service

Reviews

More options

Tips for commuting by bike

Forever prime

The Velo Barber

Upgrade your pedals and love your bike more

Ride-ready gear

Mechanical disc brakes

Alpha Gold Aluminium frame

How tall are you?

What is your inside leg?

More options

Tips for commuting by bike

Forever prime

The Velo Barber

Product features

Upgrade your pedals and love your bike more

Ride-ready gear

Mechanical disc brakes

Alpha Gold Aluminium frame

How tall are you?

What is your inside leg?