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2021 Giant

Fathom E+ 3

A 27.5″ aluminum frame hardtail trail e-bike with mid-range components.
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Manufacturer Price

GBP 2,299($4,310)
FrameAluminum
SuspensionHardtail, 120mm
ForkSuntour XCM
Wheels27.5″ Aluminum
Drivetrain1 × 9
GroupsetAlivio, Altus
MotorYamaha 250W 70Nm mid-drive
BatteryGiant 400Wh
BrakesTektro Hydraulic Disc
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Insights
Ride Feel

Based on frame geometry and build specs.

Terrain
easyextreme
Handling
nimblestable
Fathom E+ 3
Other Trail 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)

43 km/h

Fathom E+ 3

42 km/h

Similar Bikes

Highest gear

(descending)

Sizing
SM

158cm – 171cm

MD

168cm – 180cm

LG

178cm – 189cm

XL

186cm – 199cm

🐐 Estimated

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.

Geometry
Specs
Build
Frame

ALUXX aluminium, Overdrive 1½ - 1⅛" head tube, 141mm Boost QR, integrated KS18 kickstand mount

Color: Eclipse

Fork

SR Suntour XCM 32 NLO DS 15AH-110, 27.5 120mm travel, Tapered 1½ - 1⅛" steerer, lockout

Travel: 120mm

Spring Type: Coil

Shock

N/A

Bottom Bracket

N/A

Stem

Giant Contact

Handlebar

Giant Connect TR Riser 31.8x750mm

Saddle

Giant Sport

Seatpost

Giant 30.9mm, 2-bolt Micro Adjustable, Forged Aluminium

Type: Rigid

Pedals

Aluminum Platform

Groupset
Rear Derailleur

Shimano Alivio M3100, 9-Speed

Front Derailleur

-

Crank

Forged Alloy minimal Q-factor, 36T Steel Direct Mount ring

Shifters

Shimano SL-M2000

Cassette

Shimano CS-HG200, 11-36T, 9-Speed

Chain

KMC e.9 Sport

Brakes

Tektro HD-M285, hydraulic disc, 180mm

Type: Tektro Hydraulic Disc

Brake Levers

Tektro HD-M285

Wheels
Rims

Giant AM 27.5, Tubeless ready, 30mm inner width

Spokes

Stainless steel

Front Hub

Giant eTracker Sport, [F] 15mm Thru-Axle [R] 141mm QR

Rear Hub

Giant eTracker Sport, [F] 15mm Thru-Axle [R] 141mm QR

Tires

Maxxis Recon 27.5x2.6, foldable, 60 TPI

Electric Components
Motor

Giant SyncDrive Sport, 70Nm

Battery

Giant EnergyPak 400, 36V 11.3Ah Rechargeable Lithium-Ion

Remote

RideControl One

Display

Wireless display compatible (ANT+ and Bluetooth)

Rider Notes
Riders Also Viewed

First added 6 August

Last updated 3 August

Not listed for 664 days