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Giant Fathom E+ 2

Giant Fathom E+ 2
Color: Gunmetal Black
Size: Select size
Wheel Size: 29-inch
Please select options Unavailable
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Take control of the trail with this fun new hardtail e-bike. Now you can climb with greater ease and ride farther—the perfect formula for a great day on the trail.


Smooth power delivery

The new SyncDrive Sport motor delivers smooth, instantaneous power with 75Nm of torque to help riders climb steep hills and extend their trail riding capabilities.

Balanced, confident handling

Lightweight aluminum frame with trail-friendly geometry, 130mm of front suspension travel, and stable 29-inch wheels with tubeless tires puts you in control even in the toughest off-road terrain.

Long-lasting battery

Integrated EnergyPak Smart with 625Wh of capacity is easy to charge up to 80 percent in 2.5 hours with our 4A Fast Charger.

SEAT TUBE LENGTH (mm)380 420460495
SEAT TUBE ANGLE75.0° 75.0°75.0°75.0°
TOP TUBE LENGTH (mm)590 610630650
HEAD TUBE LENGTH (mm)110 120130140
HEAD TUBE ANGLE66.0° 66.0°66.0°66.0°
FORK RAKE (mm)51 515151
TRAIL (mm)113.4 113.4113.4113.4
WHEELBASE (mm)1197 121912411262
CHAIN STAY LENGTH (mm)470 470470470
STACK (mm)647 656665675
REACH (mm)416 434451469
STAND OVER HEIGHT (mm)730 757750773
HANDLEBAR WIDTH (mm)750 780780780
STEM LENGTH (mm)40 405050
CRANK LENGTH (mm)165 165165165
WHEEL SIZE29" 29"29"29"
Frame SizeRider Height (cm)Rider Height (in)
Small162 - 172 5'4" - 5'8"
Medium169 - 179 5'7' - 5'10"
Large176 - 186 5'9" - 6'1"
X-Large183 - 193 6'0" - 6'4"


Fork SR Suntour XCR 34 Boost 2-CR Coil 29, 130mm travel, Tapered 1.125"-1.5" steerer, 15AH2-110 thru-axle
Hubs Giant eTracker Boost, [F] 110x15 [R] 148x12mm
Rims Giant XCT 29, tubeless ready, 25mm, e-bike optimized
Stem Giant Contact
Chain KMC eGlide NP/BK, e-bike optimized
Frame ALUXX-grade aluminum, 1.8" - 1.125" head tube, 148x12mm thru-axle, integrated KSA40 kickstand mount
Tires Maxxis Rekon 29x2.4" Wire Bead 60TPI
Brakes Tektro HD-M285, hydraulic, [F] 180mm, [R] 180mm
Saddle Giant Ergo Contact Trail
Spokes Stainless
Crankset FSA Comet E-Bike crank arm set, FSA MegaTooth Direct-mount 1X steel 36t chainline: 52mm, max chainring: 38t"
Seatpost Giant Contact Switch Adj, adjustable dropper, 30,9mm
Handlebars Giant Connect TR Riser 31.8x750mm [S], 780mm [M-XXL]
Tape/Grips Giant Tactal Pro single lock-on
Rear Derailleur Shimano CUES LinkGlide, 9-speed
Cassette/Freewheel Shimano CUES, LinkGlide, CS-LG300, 9-speed, 11x46
Shifters Shimano CUES LinkGlide
Brake Levers Tektro HD-M285
Motor EnergyPak 4A smart charger compact, 60% in 2:30h
Pedals Sold Separately
Battery EnergyPak 625Wh, alloy casing with highest safety standard (EN50604), CO2 neutral production EnergyPak Plus 250Wh range extender compatible
Charger SyncDrive Sport2, 75Nm, powered by Yamaha
Controller/Display RideControl Dash, full color LCD screen, 5 power levels plus auto mode
RideControl Dash, full color LCD screen

* Subject to change without notice.

Part Numbers

Option UPC MPN
Gunmetal Black / X-Large / 29-inch 4712878919945 5033002158
Gunmetal Black / Large / 29-inch 4712878919938 5033002157
Gunmetal Black / Medium / 29-inch 4712878919921 5033002155
Gunmetal Black / Small / 29-inch 4712878919914 5033002154