Farley EX 8 | Trek Bikes
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SALE 2018

Farley EX 8

$3,199.99 $3,499.99 Model 17074

Farley EX 8 is a full suspension fat bike that's built for getting rad in every season. The dual suspension, SRAM 1x drivetrain, and added traction of the 27.5x3.8˝ tires make this mountain bike just as fun in summer as it is in winter. It claws up climbs, bombs through technical sections, and always leaves you grinning.

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It's right for you if...

You ride to have a good time. You like the idea of a bike that performs like monster truck in the woods and want the full mountain experience regardless of the season.

The tech you get

A lightweight Alpha Platinum Aluminum frame, a RockShox Bluto RL fork, a FOX Performance Float EVOL rear shock with Trek's ultra-responsive RE:aktiv damper, a dropper post, a wide-range SRAM GX 1x11 drivetrain, and Tubeless Ready SUNringlé Mulefüt wheels paired with fast-rolling Bontrager Hodag 27.5x3.8˝ TLR tires.

The final word

Mountain bike manners on a monster truck frame. Farley EX 8 delivers exceptional full suspension capability for year-round riding in any terrain. If you thought fat bikes were only fun snow, this bike will change your mind.

favorite_borderWhy you'll love it

  1. Farley EX 8 delivers a full-on mountain bike experience in every season, not just winter
  2. The stability and traction of the 27.5x3.8˝ tires make you a more confident rider on any trail
  3. It's a four-season freedom machine that lets you ride outside all year long
  4. E2 head tube for confident handling on gnarly trails

More options



  • Frameset

    Alpha Platinum Aluminum, ABP, Full Floater, EVO link, E2 tapered head tube, internal derailleur & dropper routing, down tube guard, 120mm travel
    Front suspension
    RockShox Bluto RL, Solo Air, TurnKey lockout, E2 tapered steerer, 150x15mm Maxle Lite, 120mm travel
    Rear suspension
    Fox Performance Float EVOL, RE:aktiv 3-position damper, tuned by Trek Suspension Lab, 7.25x1.875˝
  • Wheels

    Front hub
    Bontrager alloy sealed bearing, 150x15
    Rear hub
    Bontrager alloy sealed bearing, 197x12 rear
    SUNringlé Mulefut 80 SL 32-hole cutout, tubeless strips and valves sold separately
    Bontrager Hodag, Tubeless Ready, Inner Strength sidewalls, aramid bead, 27.5x3.80˝
  • Drivetrain

    SRAM GX, 11 speed
    Rear derailleur
    SRAM GX, Roller Bearing Clutch
    Race Face Aeffect, 28T Direct Mount Narrow-Wide
    Bottom bracket
    SRAM XG-1150, 10-42, 11 speed
    SRAM PC-1110
    Not included
  • Components

    Bontrager Evoke 2, chromoly rails
    KS eThirty Integra, remote lever, 2-bolt head, 31.6mm, zero offset, internal routing
    Bontrager Line, 35mm, 15mm rise, 750mm width
    Bontrager Race Lite, lock-on
    Bontrager Line, 35mm, 0 degree
    FSA IS-2, 1-1/8˝ top, 1.5˝ bottom
    SRAM Level T hydraulic disc
  • Weight

    17.5" - 15.88 kg / 35.00 lbs (with tubes)
    Weight limit
    This bike has a maximum total weight limit (combined weight of bicycle, rider, and cargo) of 300 pounds (136 kg).
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, and materials.
Bike and frame weights are based off Trek pre-production painted frames at time of publication. Weights may vary in final production.

Sizing & fit

The charts below show our recommended sizes based on height, but there are some other factors, like arm and leg length, that determine a great fit. That’s why you’ll see some overlap in our recommendations. Not every rider who’s 5´8˝, for example, will fit on the same size bike. The best way to find your perfect fit is to consult the experts at your local Trek retailer.


Rider Height


All measurements provided in cm unless otherwise noted.

Frame size number A — Seat tube B — Seat tube angle Effective seat tube angle C — Head tube length D — Head angle E — Effective top tube F — Bottom bracket height G — Bottom bracket drop H — Chainstay length I — Offset J — Trail K — Wheelbase L — Standover M — Frame reach N — Frame stack
15.5 in 36.8 73.0° 73.0° 10.0 69.0° 56.6 31.5 6.5 44.0 5.1 9.1 107.8 76.4 38.3 59.8
17.5 in 41.9 73.0° 73.0° 10.0 69.0° 59.3 31.5 6.5 44.0 5.1 9.1 110.5 75.0 41.0 59.8

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