VelopediaBicycle Archive · Specification report

2020 Giant Fathom E+ 3 Power

Velopedia Archive ID 900002215

Overview

Model year2020
BrandGiant
ModelFathom E+ 3 Power
Bicycle typeElectric-assist
Archive ID900002215
Original MSRP$2,700.00
ColorsMatte Black / Silver
SizesXS; S; M; L; XL

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
Rear shockN/A

Drivetrain

ShiftersShimano SL-M2000
Front derailleur-
Rear derailleurShimano Deore, 9-Speed, Shadow design
CranksetForged Alloy minimal Q-factor, 36T Steel Direct Mount ring
Bottom bracketN/A
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 · S

Seat tube405 mm
Top tube575 mm
Head tube110 mm
Head-tube angle68°
Seat-tube angle73°
Chainstay / rear center470 mm
Wheelbase1135 mm
Bottom-bracket drop45 mm
Reach386 mm
Stack617 mm
Standover height753 mm
Fork offset / rake46 mm
Trail100.7 mm
Crank length165 mm
Stem length50 mm
Handlebar width780 mm
Wheel size27.5+

Geometry · M

Seat tube455 mm
Top tube595 mm
Head tube115 mm
Head-tube angle68°
Seat-tube angle73°
Chainstay / rear center470 mm
Wheelbase1156 mm
Bottom-bracket drop45 mm
Reach405 mm
Stack622 mm
Standover height760 mm
Fork offset / rake46 mm
Trail100.7 mm
Crank length170 mm
Stem length60 mm
Handlebar width780 mm
Wheel size27.5+

Geometry · L

Seat tube505 mm
Top tube615 mm
Head tube140 mm
Head-tube angle68°
Seat-tube angle73°
Chainstay / rear center470 mm
Wheelbase1178 mm
Bottom-bracket drop45 mm
Reach417 mm
Stack645 mm
Standover height787 mm
Fork offset / rake46 mm
Trail100.7 mm
Crank length170 mm
Stem length60 mm
Handlebar width780 mm
Wheel size27.5+

Geometry · XL

Seat tube535 mm
Top tube635 mm
Head tube150 mm
Head-tube angle68°
Seat-tube angle73°
Chainstay / rear center470 mm
Wheelbase1199 mm
Bottom-bracket drop45 mm
Reach435 mm
Stack654 mm
Standover height791 mm
Fork offset / rake46 mm
Trail100.7 mm
Crank length170 mm
Stem length70 mm
Handlebar width780 mm
Wheel size27.5+

Manufacturer-published archive data. Confirm exact standards and dimensions before ordering parts or performing service. Generated by Velopedia on September 25, 2026.