Farley 9.8 | Trek Bikes
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NEW 2019

Farley 9.8

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$5,149.99 Model 24591
Farley 9.8 is the lightest fat bike we make. It has an OCLV Mountain Carbon frame, a carbon fork, carbon wheels, and a 1x12 SRAM GX Eagle drivetrain with the widest range of gears for varying terrain. This is a mountain bike with no compromises, and it's all about going as fast as possible in every season.
Farley 9.8 is the lightest fat bike we make. It has an OCLV Mountain Carbon frame, a carbon fork, carbon wheels, and a 1x12 SRAM GX Eagle drivetrain with the widest range of gears for varying terrain. This is a mountain bike with no compromises, and it's all about going as fast as possible in every season.
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It's right for you if...

You don't like fat biking—you love it. You make the biggest investment in your fat bike because you have the best time riding it, and you're willing to shell out for the lightest, fastest, fat bike we make because you know there's a return in fun, speed, and adventure.

The tech you get

A lightweight OCLV Mountain Carbon frame with Stranglehold dropouts, a Bontrager Haru rigid carbon fork, a SRAM GX Eagle 1x12 drivetrain with an extra-wide gear range, and Tubeless Ready carbon Bontrager Wampa wheels paired with 27.5x4.5˝ Bontrager Barbegazi TLR tires.

The final word

It's the lightest fat bike we make. A carbon frame, carbon wheels, carbon fork, and top-shelf SRAM drivetrain come together in Farley 9.8 to make a high-performance ride that won't be slowed by foul weather, deep snow, or gnarly terrain.

favorite_borderWhy you'll love it

  1. This is a fat bike made without compromise: it's the lightest, fastest model we make
  2.  It's a four-season freedom machine that lets you ride outside all year long
  3. The 27.5x4.5˝ tires deliver more speed and traction than their 26˝ counterparts
  4. It's easy to set up tubeless—and when you do, you'll save weight and your ride will get even faster

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Features

Specifications

  • Frameset

    Frame
    OCLV Mountain Carbon, tapered head tube, internal derailleur & dropper post routing, Carbon Armor, PF121, 197mm Stranglehold adjustable thru axle dropouts
    Fork
    Bontrager Haru Pro, OCLV Carbon lowers, carbon tapered steerer, 100mm suspension corrected, 15x150mm
  • Wheels

    Wheels
    Trek Wampa Carbon 80 SL, Tubeless Ready, 150x15 front, 197x12 rear, 108T Rapid Drive, tubeless strips included, valves sold separately
    Tires
    Bontrager Barbegazi, Tubeless Ready, Inner Strength sidewalls, aramid bead, 27.5x4.50˝
  • Drivetrain

    Shifters
    SRAM GX Eagle, 12 speed
    Rear derailleur
    SRAM GX Eagle, Roller Bearing Clutch
    Crank
    Truvativ Stylo Carbon Eagle DUB, 30T
    Bottom bracket
    SRAM DUB Press Fit 121mm
    Cassette
    SRAM XG-1275 Eagle, 10-50, 12 speed
    Chain
    SRAM GX Eagle
    Pedals
    Not included
  • Components

    Saddle
    Bontrager Montrose Elite, titanium rails
    Seatpost
    Bontrager Line, internal routing, 31.6mm, 15.5: 100mm, 17.5: 125mm, 19.5 & 21.5: 150mm
    Handlebar
    Bontrager Race X Lite, OCLV Carbon, 31.8mm, 5mm rise, 720mm width
    Grips
    ESI Chunky
    Stem
    Bontrager Pro, 31.8mm, 7 degree, Blendr compatible
    Headset
    FSA IS-2, 1-1/8˝ top, 1.5˝ bottom
    Brakeset
    SRAM Guide RS hydraulic disc
  • Weight

    Weight
    17.5˝ - 12.29 kg / 27.1 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 Wheel size A Seat tube B 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 27.5" 36.8 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 27.5" 41.9 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
19.5 in 27.5" 47.0 73.0° 12.0 69.0° 63.0 31.5 6.5 44.0 5.1 9.1 114.3 77.8 44.1 61.7
21.5 in 27.5" 52.1 73.0° 12.0 69.0° 64.3 31.5 6.5 44.0 5.1 9.1 115.6 81.6 45.4 61.7

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