Giant Fathom E+ 29 3 Electric Bike 2021
2021 E-bike
Estimate price |
3,077$
E-bike
Bike details
Overview
Key information split into simple groups.
Bike summary
-
-
Frame Aluminum -
Wheels 29" -
Travel Front 120mm -
Fork SunTour XCM
-
Groupset Alivio, Altus -
Suspension Hardtail -
Motor Giant 250W 80Nm mid-drive -
Battery Giant EnergyPak 400Wh -
Drivetrain 1 × 9 -
Brakes Hydraulic Disc
Sizing
Recommended size guide.
SM
158cm - 171cm
MD
168cm - 180cm
LG
178cm - 189cm
XL
186cm - 199cm
Parts list
Components
Main components, grouped by system.
Bike components
Frame
Frame
ALUXX aluminum, Overdrive 1½ - 1?" head tube, 141mm Boost QR, integrated KS18 kickstand mount
Suspension Fork
SR Suntour XCM 32 NLO DS 15AH2 29" 120mm travel, Tapered 1½ - 1?" steerer, lockout
Rear Shock
N/A
Drivetrain
Rear Derailleur
Shimano Alivio M3100, 9-Speed
Front Derailleur
-
Shift Levers
Shimano Altus 1x9
Cassette
Shimano CS-HG200, 11-36T, 9-Speed
Crank
Forged Alloy minimal Q-factor, 36T Steel Direct Mount ring
Bottom Bracket
N/A
Chain
KMC e.9 Sport, e-bike optimized
Pedals
Aluminum Platform
Wheels
Front Hub
Giant eTracker Sport, [F] 15mm Thru-Axle [R] 141mm QR, e-bike optimised
Rear Hub
Giant eTracker Sport, [F] 15mm Thru-Axle [R] 141mm QR, e-bike optimised
Rims
Giant XCT 29 Tubeless Ready 25mm e-bike optimised
Spokes
Stainless steel
Tires
Maxxis Recon 29x2.4", EXO, 60 TPI
Brakes
Brakes
Tektro HD-M285, hydraulic disc, 180mm
Brake Levers
Tektro HD-M285
Cockpit
Stem
Giant Contact
Handlebar
Giant Connect TR Riser 31.8x750mm
Seat
Saddle
Giant Sport
Seatpost
Giant 30.9mm, 2-bolt Micro Adjustable, Forged Aluminium
Motor & Battery
Motor
Giant SyncDrive Sport, 70Nm, 350% tuneable support with automatic smart support
Battery
Giant EnergyPak 400Wh
Remote
Wireless display compatible
Fit data
Geometry
Numbers for sizing and ride feel.
| Size | SM | MD | LG | XL |
|---|---|---|---|---|
| Stack Reach Ratio | 1.59 mm | 1.53 mm | 1.54 mm | 1.5 mm |
| Bottom Bracket Height | 329 mm | 329 mm | 329 mm | 329 mm |
| Front Center | 674 mm | 695 mm | 717 mm | 738 mm |
| Rake | 51 mm | 51 mm | 51 mm | 51 mm |
| Trail | 95.3 mm | 95.3 mm | 95.3 mm | 95.3 mm |
| Stack | 622 mm | 627 mm | 650 | 659 mm |
| Reach | 391 mm | 410 mm | 422 mm | 440 mm |
| Top Tube Length | 580 mm | 600 mm | 620 mm | 640 mm |
| Seat Tube Angle | 73 ° | 73 ° | 73 ° | 73 ° |
| Seat Tube Length | 405 mm | 455 mm | 505 mm | 535 mm |
| Head Tube Angle | 68 ° | 68 ° | 68 ° | 68 ° |
| Head Tube Length | 110 mm | 115 mm | 140 mm | 150 mm |
| Chainstay Length | 475 mm | 475 mm | 475 mm | 475 mm |
| Wheelbase | 1145 mm | 1166 mm | 1188 mm | 1209 mm |
| Bottom Bracket Drop | 45 mm | 45 mm | 45 mm | 45 mm |
| Standover Height | 758 mm | 765 mm | 792 mm | 796 mm |
| Wheels | 29" | 29" | 29" | 29" |
| Rider Min Height | 158 cm | 168 cm | 178 cm | 186 cm |
| Rider Max Height | 171 cm | 180 cm | 189 cm | 199 cm |
Model Overview
Fathom E+ 29 3 Electric Bike is a Giant E Fathom model. There are 25 e-bikes that carry this model name. You can get a glimpse at all models from 2021, by clicking on this link.
Model range prices
Giant Fathom E+ Junior 2021 is the most affordable e-bike of this model and has a price of 2228$. On the other hand, Giant Fathom E+ Pro 29 2 2021, is the most expensive and costs 4378$.
Safety
Take safety seriously when you ride your bike, and always wear your helmet. Moreover, don’t ride on the sidewalk. This is actually against the law in some states and can be dangerous for both you and pedestrians.
Trail e-bikes average price
According to our calculations, the average cost of a Trail e-bike that is reliable is 3365$. However, this doesn’t mean that if you spend less money on a Trail e-bike, you couldn’t get a decent one. In short, before purchasing your ideal e-bike do some research about its components, and also check for reviews online.
When Giant released this model in 2021, its price was 2796$. Comparing the average cost of a Trail e-bike to this one, you will see that Fathom E+ 29 3 Electric Bike price is 20.35% smaller.
Overview of components
Fork
The fork installed on this bike is the SunTour XCM model. The travel on this model is 120mm. Bike forks are good shock absorbers and provide a smooth ride and a great experience. To sum up, when buying a bicycle, make sure you get a fork that is capable of delivering decent travel.
Wheels
As for the wheels, Giant Fathom E+ 29 3 Electric Bike 2021, has a 29″ aluminum model. With 29″ wheels, bumps will feel lighter and you’ll gain more speed on descends, compared to smaller wheel-sized bikes. However, 29″ wheels will make your e-bike react slower to obstacles you may encounter.
Brakes
Stopping the bike when needed, it’s essential for your safety. This e-bike has Hydraulic Disc brakes. These kinds of brakes are among the most popular models used on bikes. To sum up, your safety is in good hands.
Sizes
Giant Fathom E+ 29 3 Electric Bike e-bike has 4 sizes, in the range of 158 cm – 199 cm (5.18 ft – 6.53 ft). In conclusion, finding one for you shouldn’t be a problem.