Velopedia Bicycle Archive
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
Frameset
| Frame Construction | ALUXX aluminum, Overdrive 1½ - 1⅛" head tube, 141mm Boost QR, integrated KS18 kickstand mount |
|---|---|
| Frame Material | Aluminum |
| Fork | SR Suntour XCM 32 NLO DS 15AH-110, 27.5 120mm travel, Tapered 1½ - 1⅛" steerer, lockout |
Drivetrain
| Shifters | Shimano SL-M2000 |
|---|---|
| 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 |
| Pedals | Aluminum Platform |
Brakes
| Brakes | Tektro HD-M285, hydraulic disc, 180mm |
|---|
Cockpit & Contact Points
| Handlebar | Giant Connect TR Riser 31.8x750mm |
|---|---|
| Stem | Giant Contact |
| Saddle | Giant Sport |
| Seatpost | Giant 30.9mm, 2-bolt Micro Adjustable, Forged Aluminium |
Wheels & Tires
| Hubs | Giant eTracker Sport, [F] 15mm Thru-Axle [R] 141mm QR |
|---|---|
| Rims | Giant AM 27.5, Tubeless ready, 30mm inner width |
| Spokes | Stainless steel |
| 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 |
Geometry
Frame measurements by size.
Published frame view
Select an available measurement to locate it on the frame.
All geometry measurements4 sizes · 17 measurements
| Measurement | S | M | L | XL |
|---|---|---|---|---|
| Seat tube | 405 mm | 455 mm | 505 mm | 535 mm |
| Top tube | 575 mm | 595 mm | 615 mm | 635 mm |
| Head tube | 110 mm | 115 mm | 140 mm | 150 mm |
| Head-tube angle | 68° | 68° | 68° | 68° |
| Seat-tube angle | 73° | 73° | 73° | 73° |
| Chainstay / rear center | 470 mm | 470 mm | 470 mm | 470 mm |
| Wheelbase | 1135 mm | 1156 mm | 1178 mm | 1199 mm |
| Bottom-bracket drop | 45 mm | 45 mm | 45 mm | 45 mm |
| Reach | 386 mm | 405 mm | 417 mm | 435 mm |
| Stack | 617 mm | 622 mm | 645 mm | 654 mm |
| Standover height | 753 mm | 760 mm | 787 mm | 791 mm |
| Fork offset / rake | 46 mm | 46 mm | 46 mm | 46 mm |
| Trail | 100.7 mm | 100.7 mm | 100.7 mm | 100.7 mm |
| Crank length | 165 mm | 170 mm | 170 mm | 170 mm |
| Stem length | 50 mm | 60 mm | 60 mm | 70 mm |
| Handlebar width | 780 mm | 780 mm | 780 mm | 780 mm |
| Wheel size | 27.5+ | 27.5+ | 27.5+ | 27.5+ |
Measurements may vary by configuration, wheel size, or frame setting where noted in the published chart.
Gearing
Lower ratios provide more mechanical advantage for climbing. Higher ratios turn the rear wheel farther with each crank revolution.
Parts & serviceability
Find replacement parts
More parts (3)
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Bike-specific inspection checklist 25 checks based on 7 archived component groups Open checklistClose checklist
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.
Identity and fit
Follow the full used-bike inspection order →Archived: 2020 Giant Fathom E+ 3 Power · Electric-assist · Published sizes: XS, S, M, L, XL
Frame and fork
Inspect the frame and fork →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
Suspension
Evaluate the suspension →Archived: Fork: SR Suntour XCM 32 NLO DS 15AH-110, 27.5 120mm travel, Tapered 1½ - 1⅛" steerer, lockout
Drivetrain
Check drivetrain wear →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
Brakes
Inspect the brakes →Archived: Brakes: Tektro HD-M285, hydraulic disc, 180mm
Wheels and tires
Check wheels and tires →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
E-bike system
Check the battery and electronics →Archived: Giant Fathom E+ 3 Power · electric-assist identification
Before and during the test ride
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Specifications are presented as a reference. Components may vary by market, size, production run, or later manufacturer revisions.
