2020 Giant

Fathom E+ 1 Pro Electric Bike

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

£2,999($3,797)
Weight54.3 lbs  
FrameAluminum
SuspensionHardtail, 120mm
ForkRockShox Recon Silver RL
Wheels27.5″ Aluminum
Drivetrain1 × 12
GroupsetSX Eagle, Praxis
MotorYamaha 250W 80Nm mid-drive
BatteryGiant 500Wh
BrakesHydraulic Disc
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Insights
Ride Feel

Based on frame geometry and build specs.

Terrain
easyextreme
Handling
nimblestable
Fathom E+ 1 Pro Electric Bike
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)

28 mph

Fathom E+ 1 Pro Electric Bike

26 mph

Similar Bikes

Highest gear

(descending)

Sizing
SM

5'2" – 5'8"

MD

5'6" – 5'11"

LG

5'10" – 6'3"

XL

6'1" – 6'7"

🐐 Estimated

Rider Fit Notes

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Geometry
99 Spokes on YouTube99 Spokes on YouTube
Specs
Build
Frame

ALUXX SL aluminum, Overdrive 1½ - 1⅛" head tube, 148x12mm Thru-Axle, integrated KS18 kickstand mount

ColorMetallic Red / Black

Fork

Rock Shox Recon RL 120mm travel, Tapered 1½ - 1⅛" steerer,110x15QR, lockout

Travel120mm

Shock

N/A

Bottom Bracket

N/A

Stem

Giant Contact

Handlebar

Giant Connect TR Riser 31.8x780mm

Saddle

Giant Sport

Seatpost

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

TypeRigid

Pedals

-

Groupset
Rear Derailleur

SRAM SX Eagle

Front Derailleur

-

Crank

SRAM X-Sync 38T chainring Praxis e-Cadet+ custom forged crankarm set

Shifters

SRAM SX Eagle

Cassette

SRAM Eagle PG-1210, 11-50T, 12-Speed

Chain

SRAM SX Eagle

Brakes

Shimano MT400, Hydraulic Disc, 180/203mm

TypeHydraulic Disc

Brake Levers

Shimano MT401 Hydraulic Disc

Wheels
Rims

Giant AM 27.5+, Tubeless ready, 35mm inner width

Spokes

Sapim E-Lite [r] Race [f]

Front Hub

Giant eTracker Boost, Sealed cartridge bearing, 6-bolt, [F] 110x15 [R] 148x12mm Thru-axle

Rear Hub

Giant eTracker Boost, Sealed cartridge bearing, 6-bolt, [F] 110x15 [R] 148x12mm Thru-axle

Tires

Maxxis Forekaster 27.5x2.6, foldable, 60 TPI, EXO, Tubeless Ready

Electric Components
Motor

Giant SyncDrive Pro, automatic support, 5-mode, 50-360% tunable support, 80Nm, powered by YAMAHA

Battery

Giant EnergyPak 500, 36V 13.8Ah integrated Lithium-Ion

Recycling Program♻️ Call2Recycle

Display

Giant RideControl ONE

Rider Notes
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Last updated March 20
Not listed for 1,148 days