2023 · TrekFarley 5

A 27.5″ aluminum frame rigid fat bike with upper mid-range components. Compare the full range

2023 Trek Farley 5
MSRP$2,199
Weight35.7 lbs
SuspensionRigid
FrameAluminum
ForkCarbon
Wheels27.5″ Aluminum
Drivetrain1 × 10
GroupsetmicroSHIFT Advent X, FSA
BrakesHydraulic Disc
SeatpostDropper
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Insights
Gearing

1 × 10 — 10 speed

Farley 5

22 mph

Similar Bikes

23 mph

The Farley 5 is geared about the same as similar bikes for riding up hills.

The Farley 5 is geared about the same as similar bikes for riding downhill.

Estimated Spec Level

Based on build material and quality level of the frame, fork, wheelset, groupset, suspension system, and more. Learn more →

Spec level →$0$500$1,000$1,500$2,000
This bike
Other fat bikes
Sizing
15.5"

5'1" – 5'6"

17.5"

5'4" – 5'11"

18.5"

5'8" – 6'3"

19.5"

6'1" – 6'5"

Reviews
Outdoor Gear Lab
Trek Farley 5

Jeremy BensonDec 2022

The Trek Farley 5 is one of the least expensive models in this review and a great value for a capable fat bike. Price aside, this bike has a solid...

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Geometry
Specs
Build
Frame

Alpha Platinum Aluminum, tapered head tube, top tube bag mounts, strapless full frame bag mounts, downtube fender mount, lower downtube accessory mount, seat stay rear rack mounts, internal rear derailleur & dropper post routing, threaded BB, UDH, 197x12mm

BB StandardBSA, 100mm, Threaded

Hanger StandardUDH

ColorSatin Blue Sage to Lithium Grey Fade

Fork

Farley carbon, tapered alloy steerer, crown rack mounts, lower leg cage mounts, 150x15mm thru axle

Bottom Bracket

FSA BB-7100, 100mm, BSA threaded

Headset

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

Stem

Size: S, Bontrager alloy, 31.8mm, Blendr compatible, 7 degree, 50mm length; Size: M, Bontrager alloy, 31.8mm, Blendr compatible, 7 degree, 60mm length; Size: L, XL, Bontrager alloy, 31.8mm, Blendr compatible, 7 degree, 70mm length

Handlebar

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

Saddle

Bontrager Verse P3, steel rails

Seatpost

Size: S, TranzX JD-YSP18, 100mm travel, internal routing, 31.6mm, 361mm length; Size: M, TranzX JD-YSP18, 130mm travel, internal routing, 31.6mm, 425mm length; Size: L, XL, TranzX JD-YSP18, 150mm travel, internal routing, 31.6mm, 470mm length

Grips

Bontrager XR Trail Comp, nylon lock-on

Groupset
Rear Derailleur

microSHIFT Advent X RD-M6205AM, 48T max cog

Crank

Size: S, M, L, FSA Comet, 30T, 170mm length; Size: XL, FSA Comet, 30T, 175mm length

Shifters

microSHIFT Advent X SL-M9605, 10 speed

Cassette

microSHIFT Advent X, 11-48, 10 speed

Chain

KMC X10, 10 speed

Brakes

SRAM Level hydraulic disc

Wheels
Rims

SUNRingle Mulefut 80 SL, 32-hole cutout

Front Hub

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

Rear Hub

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

Tires

Bontrager Gnarwhal Team Issue, Tubeless Ready, Inner Strength sidewalls, studdable, aramid bead, 120 tpi, 27.5x4.50''

Disk Rotors

Avid G2 CleanSweep, 6-bolt, 160mm

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