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2020 Giant Fathom E+ 3 Power

Original specifications: geometry for 4 published sizes.

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At a glance

Model year
2020
Category
Mountain
Original MSRP
$2,700.00
Sizes
XS, S, M, L, XL
Colors
Matte Black / Silver
Geometry
4 manufacturer sizes
In this record
19 specifications · archived image · original MSRP · geometry
Archive ID
900002215
Original buildAluminum

Manufacturer catalog

Published sizes and colors

5 sizes · 1 color

Manufacturer-published sizes and colors; availability and exact size/color pairings may vary by market or production run.

Published sizes

XSSMLXL

Published colors

Matte Black / Silver

Frameset

Frame ConstructionALUXX aluminum, Overdrive 1½ - 1⅛" head tube, 141mm Boost QR, integrated KS18 kickstand mount
Frame MaterialAluminum
ForkSR Suntour XCM 32 NLO DS 15AH-110, 27.5 120mm travel, Tapered 1½ - 1⅛" steerer, lockout

Drivetrain

ShiftersShimano SL-M2000
Rear DerailleurShimano Deore, 9-Speed, Shadow design
CranksetForged Alloy minimal Q-factor, 36T Steel Direct Mount ring
CassetteShimano CS-HG200, 11-36T, 9-Speed
ChainKMC e.9 Sport
PedalsAluminum Platform

Brakes

BrakesTektro HD-M285, hydraulic disc, 180mm

Cockpit & Contact Points

HandlebarGiant Connect TR Riser 31.8x750mm
StemGiant Contact
SaddleGiant Sport
SeatpostGiant 30.9mm, 2-bolt Micro Adjustable, Forged Aluminium

Wheels & Tires

HubsGiant eTracker Sport, [F] 15mm Thru-Axle [R] 141mm QR
RimsGiant AM 27.5, Tubeless ready, 30mm inner width
SpokesStainless steel
Front TireMaxxis Forekaster 27.5x2.6, foldable, 60 TPI, EXO, Tubeless ready
Rear TireMaxxis Forekaster 27.5x2.6, foldable, 60 TPI, EXO, Tubeless ready

Geometry

4 sizes · 17 measurements

Frame measurements by size.

All geometry measurements4 sizes · 17 measurements
MeasurementSMLXL
Seat tube405 mm455 mm505 mm535 mm
Top tube575 mm595 mm615 mm635 mm
Head tube110 mm115 mm140 mm150 mm
Head-tube angle68°68°68°68°
Seat-tube angle73°73°73°73°
Chainstay / rear center470 mm470 mm470 mm470 mm
Wheelbase1135 mm1156 mm1178 mm1199 mm
Bottom-bracket drop45 mm45 mm45 mm45 mm
Reach386 mm405 mm417 mm435 mm
Stack617 mm622 mm645 mm654 mm
Standover height753 mm760 mm787 mm791 mm
Fork offset / rake46 mm46 mm46 mm46 mm
Trail100.7 mm100.7 mm100.7 mm100.7 mm
Crank length165 mm170 mm170 mm170 mm
Stem length50 mm60 mm60 mm70 mm
Handlebar width780 mm780 mm780 mm780 mm
Wheel size27.5+27.5+27.5+27.5+

Measurements may vary by configuration, wheel size, or frame setting where noted in the published chart.

Gearing

Chainring ÷ rear sprocket

Lower ratios provide more mechanical advantage for climbing. Higher ratios turn the rear wheel farther with each crank revolution.

All published sizes36T · 11–36T · 9-speed
Lowest1.00:1 Highest3.27:1 Total range327%
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Parts & serviceability

Find replacement parts

Original specifications
Cassette · Original
Shimano CS-HG200, 11-36T, 9-Speed
Front tire · Original
Maxxis Forekaster 27.5x2.6, foldable, 60 TPI, EXO, Tubeless ready
Brake pads · Original
Tektro HD-M285, hydraulic disc, 180mm
More parts (3)
Rear derailleur · Original
Shimano Deore, 9-Speed, Shadow design Search: Shimano Deore, 9-Speed, Shadow design rear derailleur
Shifters · Original
Shimano SL-M2000
Seatpost · Original
Giant 30.9mm, 2-bolt Micro Adjustable, Forged Aluminium

Based on the original build. Confirm the model, size and fit before ordering; installed parts may differ. As an Amazon Associate I earn from qualifying purchases. Velopedia may also earn from qualifying eBay purchases.

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Bike-specific inspection checklist 25 checks based on 7 archived component groups Open checklistClose checklist
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This checklist uses the archived equipment for this bike. It cannot confirm the condition, service history or later component changes of the example in front of you.

Archived: 2020 Giant Fathom E+ 3 Power · Electric-assist · Published sizes: XS, S, M, L, XL

Archived: Frame: ALUXX aluminum, Overdrive 1½ - 1⅛" head tube, 141mm Boost QR, integrated KS18 kickstand mount · Fork: SR Suntour XCM 32 NLO DS 15AH-110, 27.5 120mm travel, Tapered 1½ - 1⅛" steerer, lockout

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

Archived: Shifters: Shimano SL-M2000 · Front derailleur: - · Rear derailleur: Shimano Deore, 9-Speed, Shadow design · Crankset: Forged Alloy minimal Q-factor, 36T Steel Direct Mount ring · Cassette: Shimano CS-HG200, 11-36T, 9-Speed · Chain: KMC e.9 Sport

Archived: Brakes: Tektro HD-M285, hydraulic disc, 180mm

Archived: Rims: Giant AM 27.5, Tubeless ready, 30mm inner width · Hubs: Giant eTracker Sport, [F] 15mm Thru-Axle [R] 141mm QR · Front tire: Maxxis Forekaster 27.5x2.6, foldable, 60 TPI, EXO, Tubeless ready · Rear tire: Maxxis Forekaster 27.5x2.6, foldable, 60 TPI, EXO, Tubeless ready

Controls and contact points

Archived: Handlebar: Giant Connect TR Riser 31.8x750mm · Stem: Giant Contact · Seatpost: Giant 30.9mm, 2-bolt Micro Adjustable, Forged Aluminium · Saddle: Giant Sport · Pedals: Aluminum Platform

Archived: Giant Fathom E+ 3 Power · electric-assist identification

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Specifications are presented as a reference. Components may vary by market, size, production run, or later manufacturer revisions.

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