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SALE 2017

Farley EX 9.8

$4,499.99 $5,499.99 Model 17091
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Mountain bike manners on a monster truck frame

Farley EX blends fat tire traction and stability with full suspension capability for a go-anywhere, do-anything ride that redefines fat bike expectations.

Transform your trail rides with the unstoppable Farley EX. Claw your way up techy climbs, tame gnarly terrain, and shred rugged lines you previously thought impossible.

Key features

  • OCLV Mountain Carbon frame is ultra light, ultra tough
  • Exclusive suspension tech with ABP, Full Floater & RE:aktiv
  • Faster 27.5 x 4 wheels bounce less and roll farther
  • Go tubeless with Bontrager TLR for trail-hugging confidence

More options



  • Frameset

    OCLV Mountain Carbon main frame, alloy stays, ABP, Full Floater, EVO link, E2 tapered head tube, Control Freak internal routing, Carbon Armor, PF121, 197x12 hub spacing, 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

    Trek Wampa Carbon 80 SL, Tubeless Ready, 150x15 front, 197x12 rear (tubeless strips included, valves sold separately)
    Bontrager Hodag, Tubeless Ready, Inner Strength sidewalls, aramid bead, 27.5x3.80"
  • Drivetrain

    SRAM X1, 11 speed
    Rear derailleur
    SRAM X01, Roller Bearing Clutch
    Race Face Next, 30T Direct Mount Narrow-Wide
    Bottom bracket
    SRAM XG-1150, 10-42, 11 speed
    SRAM PC 1130
    Not included
  • Components

    Bontrager Evoke 3, titanium rails
    Bontrager Drop Line 125, under-bar remote lever, 2-bolt head, 31.6mm, zero offset, internal routing
    Bontrager Line Pro, OCLV Carbon, 35mm, 15mm rise, 750mm width
    Bontrager Race Lite, lock-on
    Bontrager Line, 35mm, 0 degree
    Integrated, cartridge bearing, sealed, 1-1/8" top, 1.5" bottom
    SRAM Guide hydraulic disc
  • Weight

    17.5" - 14.65 kg / 32.30 lbs
    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 Geometry position Wheel size 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 High 27.5" 39.4 67.0° 73.8° 10.5 68.8° 57.2 35.2 2.4 44.3 5.1 12.4 111.7 79.8 39.5 60.2

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