2021 Trek Farley 5

Upper mid-range component level aluminum frame fatbike bike

View on www.trekbikes.com

2021 Trek Farley 5
  • MSRP $1,799
  • Weight 32.3 lbs / 14.7 kg
  • Suspension Rigid
  • Frame Aluminum
  • Fork Carbon
  • Wheels 27.5″
  • Drivetrain 1 × 10
  • Groupset Deore
  • Brakes Hydraulic Disc
  • Seatpost Dropper post

Where to Buy


1 × 10 — 10 speed

2021 Trek Farley 5
21 mph
Similar Bikes
23 mph

The 2021 Farley 5 is geared about the same as similar bikes for riding up hills.

The 2021 Farley 5 won‘t keep up with similar bikes while riding downhill or sprinting.

Estimated Spec Level

Estimated spec level of the Farley 5 compared to other fatbike bikes. 99 Spokes analyzes the build material and quality level of the frame, fork, wheelset, groupset, suspension system, and more to estimate the overall spec level of each bike.

Learn more

est. spec level →$0$500$1,000$1,500$2,000
This bike
Other fatbike bikes



FrameAlpha Platinum Aluminum, tapered head tube, internal derailleur & dropper post routing, rack mounts, 197x12mm adjustable horizontal sliding dropouts
ForkBontrager Haru, tapered alloy steerer, OCLV Carbon lowers, 490mm axle-to-crown, 15x150mm thru axle
Bottom BracketRace Face, 121mm, PressFit
HeadsetFSA IS-2, 1-1/8'' top, 1.5'' bottom
StemBontrager Elite, 31.8mm, Blendr compatible, 7 degree, 90mm length
HandlebarBontrager alloy, 31.8mm, 15mm rise, 750mm width
SaddleBontrager Arvada, steel rails, 138mm width
SeatpostTranzX JD-YSP18, 130mm travel, internal routing, 31.6mm, 425mm length
GripsBontrager XR Trail Comp, nylon lock-on
Rear DerailleurShimano Deore M5120, long cage
CrankRace Face Ride, 28T steel ring, 175mm length
ShiftersShimano Deore M4100, 10 speed
CassetteShimano Deore M4100, 11-46, 10 speed
ChainKMC X10, 10 speed
BrakesSRAM Level hydraulic disc
RimsSUNRingle Mulefut 80 SL, 32-hole cutout
Spokes15g, stainless
Front HubBontrager alloy, sealed bearing, 6-bolt, 15x150mm thru axle
Rear HubBontrager alloy, sealed bearing, 6-bolt, 108T Rapid Drive, Shimano 10 freehub, 197x12mm thru axle
TiresBontrager Gnarwhal Team Issue, Tubeless Ready, Inner Strength sidewalls, studdable, aramid bead, 120 tpi, 27.5x3.80''
Disk RotorsAvid G2 Cleansweep, 160mm, 6-bolt
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2021 Trek Farley 5