2023 · TrekFarley 9 Winter Edition

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

2023 Trek Farley 9 Winter Edition
MSRP$3,999
Weight40.3 lbs
SuspensionRigid
FrameAluminum
ForkCarbon
Wheels27.5″ Aluminum
Drivetrain1 × 12
GroupsetGX Eagle, X1
BrakesHydraulic Disc
SeatpostDropper
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Insights
Gearing

1 × 12 — 12 speed

Farley 9 Winter Edition

22 mph

Similar Bikes

23 mph

The Farley 9 Winter Edition is geared about the same as similar bikes for riding up hills.

The Farley 9 Winter Edition 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$2,500$3,000$3,500
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

ColorMercury

Fork

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

Bottom Bracket

SRAM DUB, 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 Rhythm Comp, alloy, 31.8mm, 15mm rise, 750mm width

Saddle

Bontrager Verse Elite, austenite rails, 145mm width

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

SRAM GX Eagle

Crank

Size: S, M, L, SRAM X1 1000 Eagle, DUB, 30T alloy FAT 5 ring, 170mm length; Size: XL, SRAM X1 1000 Eagle, DUB, 30T alloy FAT 5 ring, 175mm length

Shifters

SRAM GX Eagle, 12 speed

Cassette

SRAM PG-1230 Eagle, 11-50, 12 speed

Chain

SRAM NX Eagle, 12 speed

Brakes

SRAM Level Bronze 4-piston 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

Size: S, M, L, XL, SRAM CenterLine, 6-bolt, round-edge, 160mm; Size: S, M, L, XL, SRAM CenterLine, 6-bolt, round edge, 180mm

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