FX 3 Disc Gen 3 - Trek Bikes (GB)

Overview

"Demolish your fitness goals with this bike from Trek that is built for performance and versatility. Featuring a lightweight alloy frame and carbon fork it has a responsive ride feel and hills can be conquered at speed. Perfect for riders looking for road bike speed with hybrid bike practicality and stability."

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Eight tips for fun, stress-free bike commutes.

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

Features

Customise your bike with fenders, racks, bottle cages and more to make it your own.

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A 1x10 drivetrain means more versatility, simpler shifting and fewer things to go wrong. You still have a wide range of gears, but with lighter and more intuitive shifting. Everything you need and nothing more.

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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Built-in mounts make it easy to add racks and mudguards for added versatility.

Hydraulic disc brakes offer the absolute strongest stopping power even in wet and muddy conditions.

Bontrager stem technology lets you clip your gear directly to the stem for clean looks and maximum user friendliness.

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

DuoTrap S (sold separately) integrates a Bluetooth®/ANT+ sensor into the frame. Log routes and track fitness progress on your computer or smart phone with no external sensor. Works with all major ANT+ wireless players, including Bontrager, Garmin, PowerTap, and SRM.

Suspension for your hands. Our exclusive vibration-damping IsoZone material absorbs road bumps and buzz, giving you more control and an incredibly comfortable ride.

We route shift and brake cables through the frame to keep things clean and simple. And it looks great, too.

Specs

Frame	Alpha Gold Aluminium, DuoTrap S-compatible, internal cable routing, flat-mount disc, rack and mudguard mounts, 135x5 mm QR
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, 5x100 mm QR
Skewer front	130x5 mm QR, ThruSkew
Hub rear	Formula DC-22, alloy, 6-bolt, Shimano 8/9/10 freehub, 135x5 mm QR
Skewer rear	152x5 mm QR
Rim	Bontrager Tubeless Ready Disc, 32-hole, Presta valve
Spokes	14 g stainless steel, black
Tyre	Bontrager H2 Comp, wire bead, 30 tpi, 700x32 mm
Max tyre size	700x38mm without mudguards, 700x35mm with mudguards

Shifter	Shimano Deore M4100, 10-speed
Rear derailleur	Shimano Deore M5120, long cage
*Crank	Size: XS, S, M Prowheel alloy, 40T narrow-wide ring, 170 mm length
Size: L, XL, XXL Prowheel alloy, 40T narrow-wide ring, 175 mm length
Cassette	Shimano Deore M4100, 11-46, 10-speed
Chain	KMC X10, 10-speed
Pedal	Bontrager City pedals
Max. chainring size	1x: 42T, 2x/3x: 48T

Saddle	Bontrager H1
Seatpost	Bontrager alloy, 27.2 mm, 12 mm offset, 330 mm length
*Handlebar	Size: XS, 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
Grips	Bontrager Satellite IsoZone Plus, lock-on, ergonomic
*Stem	Size: XS, S Bontrager Comp, 31.8 mm, Blendr compatible, 7-degree, 90 mm length
Size: M, L, XL, XXL Bontrager Comp, 31.8 mm, Blendr compatible, 7-degree, 100 mm length
Head set	1 1/8" steel threadless
Brake	Shimano hydraulic disc, MT201 lever, UR300 calliper
Brake rotor	Shimano RT26, 6-bolt, 160 mm
Rotor size	Max brake rotor sizes: 160mm front & rear

Weight	M - 11.38 kg / 25.09 lbs
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

We'll take care of you. Period.

Free shipping and professional assembly

Warrantied for life

"Best fitness bikes 2022"

More options

Tips for commuting by bike

Forever prime

Make it your own

1x drive train

Upgrade your pedals and love your bike more

Ride-ready gear

Rack & mudguard ready

Hydraulic disc brakes

Blendr stem

Alpha Gold Aluminium frame

DuoTrap S compatible

IsoZone handlebar and grips

Internal cable routing

How tall are you?

What is your inside leg?

We'll take care of you. Period.

Free shipping and professional assembly

Warrantied for life

"Best fitness bikes 2022"

More options

Tips for commuting by bike

Forever prime

Product features

Make it your own

1x drive train

Upgrade your pedals and love your bike more

Ride-ready gear

Rack & mudguard ready

Hydraulic disc brakes

Blendr stem

Alpha Gold Aluminium frame

DuoTrap S compatible

IsoZone handlebar and grips

Internal cable routing

How tall are you?

What is your inside leg?