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2021 Trek

Farley 5

A 27.5″ aluminum frame rigid fat bike with upper mid-range components.
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Manufacturer Price

$1,949
Weight32.3 lbs  
FrameAluminum
SuspensionRigid
ForkCarbon
Wheels27.5″ Aluminum
Drivetrain1 × 10
GroupsetDeore
BrakesSRAM Level Hydraulic Disc
SeatpostDropper
Where to Buy
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Insights
Ride Feel

Based on frame geometry and build specs.

Terrain
easyextreme
Handling
nimblestable
Farley 5
Other Fat bikes
Gearing

A bike with lower gearing will be easier to ride up steep hills, while a higher top end means it will pedal faster down hills.

Lowest gear

(climbing)

21 mph

Farley 5

23 mph

Similar Bikes

Highest gear

(descending)

Sizing
SM

5'0" – 5'6"

MD

5'3" – 5'10"

LG

5'8" – 6'3"

XL

6'1" – 6'6"

Rider Fit Notes

None yet.

Do you have this bike? Help other riders make a decision about which size will work for them by sharing your own size and fit notes.

Reviews
Bicycling
Trek’s Farley 7 Is an All-Season Fat Bike

Apr 2020

A dropper post, suspension fork, and exceptional handling help this fat bike perform long after the snow melts.

Highs
  • Faster-rolling 27.5 wheels

  • Dropper post and suspension fork for all-season performance

  • Adjustable dropouts for fine-tuning handling

  • Corners well on many surfaces

  • Bontrager Gnarwhal tires excellent cornering and braking traction

  • Geared low enough for reasonable climbing

  • Suspension fork beneficial on firmer ground

  • Dropper post helpful in deep snow

  • Versatile for all-season riding

Lows
  • Heavy, even for a fat bike

  • Short reach compared to modern trail bikes

  • Weight makes switchbacks difficult and fatiguing

  • Rim dented easily on rocky trail

Read Review

MTBR
Chris Farley’s family settles with Trek over fat bike name

Jun 2018 · Jason Sumner

The family of the late comedian and movie actor had filed a federal lawsuit against the Wisconsin-based bike maker, claiming its fat bike named the Farley

Read Review

NSMB
2018 Trek Farley EX 8

Jan 2018

The Farley EX doesn't need your snow or your sand- but it'll handle it just fine - while being a dirt and rock shredder with little compromise...

Highs
  • Well balanced shape

  • Ample tire clearance

  • Modern riding position

  • Great cornering and grip from Hodag tires

  • Braking force off the charts

  • Lightweight fat bike tires

  • 1x11 drivetrain works fine

  • Finished appearance appeals

  • Doesn't feel heavy on trail

  • Ridiculously fun on virtually any trail

Lows
  • KS dropper slow to rise, no external air adjustment

  • Bluto fork could use tokens for better tune

Read Review

Geometry
Specs
Build
Frame

Alpha Platinum Aluminum, tapered head tube, internal derailleur & dropper post routing, rack mounts, 197x12mm adjustable horizontal sliding dropouts

BB StandardBB86/BB92, 121mm, Press Fit

Tire Clearance4.5"

ColorNautical Navy to Teal Fade

Fork

Bontrager Haru, tapered alloy steerer, OCLV Carbon lowers, 490mm axle-to-crown, 15x150mm thru axle

Bottom Bracket

Race Face, 121mm, PressFit

Headset

FSA IS-2, 1-1/8'' top, 1.5'' bottom

Stem

Size: S, Bontrager Elite, 31.8mm, Blendr compatible, 7 degree, 60mm length; Size: M, Bontrager Elite, 31.8mm, Blendr compatible, 7 degree, 70mm length; Size: L, Bontrager Elite, 31.8mm, Blendr compatible, 7 degree, 80mm length; Size: XL, Bontrager Elite, 31.8mm, Blendr compatible, 7 degree, 90mm length

Handlebar

Bontrager alloy, 31.8mm, 15mm rise, 750mm width

Saddle

Bontrager Arvada, steel rails, 138mm width

Seatpost

Size: S, TranzX JD-YSP18, 100mm travel, internal routing, 31.6mm, 361mm length; Size: M, TranzX JD-YSP18, 120mm travel, internal routing, 31.6mm, 403mm length; Size: L, XL, TranzX JD-YSP18, 130mm travel, internal routing, 31.6mm, 425mm length

TypeDropper

Pedals

VP-536 nylon platform

Grips

Bontrager XR Trail Comp, nylon lock-on

Groupset
Rear Derailleur

Shimano Deore M5120, long cage

Crank

Size: S, Race Face Ride, 28T steel ring, 170mm length; Size: M, L, XL, Race Face Ride, 28T steel ring, 175mm length

Shifters

Shimano Deore M4100, 10 speed

Cassette

Shimano Deore M4100, 11-46, 10 speed

Chain

KMC X10, 10 speed

Brakes

SRAM Level hydraulic disc

TypeSRAM Level Hydraulic Disc

Wheels
Rims

SUNRingle Mulefut 80 SL, 32-hole cutout

Spokes

15g stainless steel

Front Hub

Bontrager alloy, sealed bearing, 6-bolt, 15x150mm thru axle

Rear Hub

Bontrager alloy, sealed bearing, 6-bolt, 108T Rapid Drive, Shimano 10 freehub, 197x12mm thru axle

Tires

Size: S, M, L, XL, Bontrager Gnarwhal Team Issue, Tubeless Ready, Inner Strength sidewalls, studdable, aramid bead, 120 tpi, 27.5x4.50''; Size: S, M, Bontrager Gnarwhal Team Issue, Tubeless Ready, Inner Strength sidewalls, studdable, aramid bead, 120 tpi, 27.5x3.80''

Disc Rotors

Avid G2 CleanSweep, 6-bolt, 160mm

Rider Notes
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First added June 23

Last updated April 22

Not listed for 1,863 days