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Trek Farley 5

Trek Farley 5
Nautical Navy to Teal Fade
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This item is available for purchase in-store or over the phone with in-store or curb side pick up at our retail stores. Please call during store hours for more information or visit us in-store.


Farley 5 is Trek's best value fat bike and your ticket to all-season freedom. It rolls over snow, sand, roots, and rocks with the stability and traction of a monster truck on wide, beefy tires. A 1x drivetrain and lightweight aluminum frame make it a great choice for anyone who wants to ride a mountain bike year-round, no matter the weather.

The Farley 5 features a lightweight Alpha Platinum Aluminum with carbon fork, and wide-range Shimano Deore 1x10 drivetrain to keep shifting snappy and crisp. The extra-grippy (and studdable) Bontrager Gnarwhal TLR tires work well over snow, rocks, and dirt. Internal cable routing keeps the frame looking very clean.

Farley 5 is the perfect bike for breaking into the winter shredding scene without breaking the bank!

Dropper posts

A dropper seatpost allows you to quickly lower and raise your seat to give you an ideal riding position. Dropping your seat creates a lower center of gravity for better control and maneuverability on steep descents, while raising it puts you at normal riding height for efficient pedaling.

The Farley 5 comes with a mechanical dropper post for all-weatehr reliability. 

Size Small - 100mm 

Size Medium 120mm

Sizes Large and Extra Large - 130mm

Fat tires (3.5"+ wide) give you maximum grip and stability, giving you more confidence on technical terrain and over snow. Compared to a standard tire you’ll feel grip in places you wouldn’t expect thanks to a bigger contact patch and greater rollover clearance. More air volume allows lower tire pressures which softens bumps and increases float on sand or snow. Whether you’re a novice or an expert, the benefits of fat tires will amplify your mountain biking fun.

With 108 points of engagement, Rapid Drive gives you nearly instant acceleration instead of a clunky lag when you step on the pedals. You get smooth, immediate power to blast out of corners and hammer through the rough stuff. And that extra pedal ratchet adds control that can make all the difference when tackling a tricky climb.


Frame Alpha Platinum Aluminum, tapered head tube, internal derailleur & dropper post routing, rack mounts
Fork Bontrager Haru, tapered alloy steerer, OCLV Carbon lowers, 490mm axle-to-crown
Headset FSA IS-2, 1-1/8'' top, 1.5'' bottom
Axles Front: 150 x 15mm thru axle
Rear: 197 x 12mm adjustable horizontal sliding thru axle dropouts
Rims/Wheels SUNRingle Mulefut 80 SL, 32-hole cutout
Hubs Front: Bontrager alloy, sealed bearing, 6-bolt
Rear: Bontrager alloy, sealed bearing, 6-bolt, 108T Rapid Drive, Shimano 10 freehub
Spokes 15g, stainless
Tires Front: Bontrager Gnarwhal Team Issue, Tubeless Ready, Inner Strength sidewalls, studdable, aramid bead, 120 tpi, 27.5" x 4.50
Rear: Bontrager Gnarwhal Team Issue, Tubeless Ready, Inner Strength sidewalls, studdable, aramid bead, 120 tpi, 27.5" x 4.50 (Sizes S & M: 27.5" x 3.80)
Crankset Race Face Ride
Chainrings 28T
Bottom Bracket Race Face, 121mm, PressFit
Chain KMC X10, 10 speed
Rear Derailleur Shimano Deore M5120, long cage
Shifters Shimano Deore M4100, 10 speed
Handlebars Bontrager alloy, 31.8mm, 15mm rise, 750mm width
Tape/Grips Bontrager XR Trail Comp, nylon lock-on
Stem Bontrager Elite, 31.8mm, Blendr compatible, 7 degree
Brakes SRAM Level hydraulic disc w/Avid G2 Cleansweep, 160mm, 6-bolt rotors
Pedals VP-536 nylon platform
Saddle Bontrager Arvada, steel rails, 138mm width
Seat Post TranzX JD-YSP18, 100mm travel, internal routing, 31.6mm
Weight M - 14.66 kg / 32.33 lbs (with tubes)

* Subject to change without notice.


Trek Farley

Farley is your ticket to year-round adventures on surfaces from groomed winter trails to powder. Farley is lighter, faster, and fatter than ever, with all-new tech to keep you shredding the trail in every season.

Part Numbers

Option UPC MPN Store SKU
Nautical Navy to Teal Fade / Small 601842419793 1048695 BIK521682851
Nautical Navy to Teal Fade / Medium 601842419786 1048696 BIK527602461
Nautical Navy to Teal Fade / X-Large 601842419762 1048698 BIK521251361