Giant Fathom E+ 1 Pro Electric Bike 2020
Bike details
Key information split into simple groups.
Bike summary
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Frame Aluminum
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Wheels 27.5"
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Travel Front 120mm
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Fork RockShox Recon Silver RL
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Groupset SX Eagle, SRAM
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Suspension Hardtail
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Motor Yamaha 80Nm mid-drive
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Battery Giant EnergyPak 500, 36V 13.8Ah integrated Lithium-Ion
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Drivetrain 1 × 12
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Brakes Hydraulic Disc
Recommended size guide.
SM
158cm - 171cm
MD
168cm - 180cm
LG
178cm - 189cm
XL
186cm - 199cm
Parts list
Main components, grouped by system.
Bike components
Frame
Frame
ALUXX SL aluminum, Overdrive 1½ - 1?" head tube, 148x12mm Thru-Axle, integrated KS18 kickstand mount
Suspension Fork
Rock Shox Recon RL 120mm travel, Tapered 1½ - 1?" steerer,110x15QR, lockout
Rear Shock
N/A
Drivetrain
Rear Derailleur
SRAM SX Eagle
Front Derailleur
-
Shift Levers
SRAM SX Eagle
Cassette
SRAM Eagle PG-1210, 11-50T, 12-Speed
Crank
SRAM X-Sync 38T chainring Praxis e-Cadet+ custom forged crankarm set
Bottom Bracket
N/A
Chain
SRAM SX Eagle
Pedals
-
Wheels
Front Hub
Giant eTracker Boost, Sealed cartridge bearing, 6-bolt, [F] 110x15 [R] 148x12mm Thru-axle
Rear Hub
Giant eTracker Boost, Sealed cartridge bearing, 6-bolt, [F] 110x15 [R] 148x12mm Thru-axle
Rims
Giant AM 27.5+, Tubeless ready, 35mm inner width
Spokes
Sapim E-Lite [r] Race [f]
Tires
Maxxis Forekaster 27.5x2.6, foldable, 60 TPI, EXO, Tubeless Ready
Brakes
Brakes
Shimano MT400, Hydraulic Disc, 180/203mm
Brake Levers
Shimano MT401 Hydraulic Disc
Cockpit
Stem
Giant Contact
Handlebar
Giant Connect TR Riser 31.8x780mm
Seat
Saddle
Giant Sport
Seatpost
Giant 30.9mm, 2-bolt Micro Adjustable, Forged Aluminium
Motor & Battery
Motor
Giant SyncDrive Pro, automatic support, 5-mode, 50-360% tunable support, 80Nm, powered by YAMAHA
Battery
Giant EnergyPak 500, 36V 13.8Ah integrated Lithium-Ion
Remote
Giant RideControl ONE
Fit data
Numbers for sizing and ride feel.
| Size | SM | MD | LG | XL |
|---|---|---|---|---|
| Stack Reach Ratio | 1.59 mm | 1.53 mm | 1.47 mm | 1.43 mm |
| Bottom Bracket Height | 310 mm | 310 mm | 310 mm | 310 mm |
| Front Center | 669 mm | 695 mm | 721 mm | 746 mm |
| Rake | 46 mm | 46 mm | 46 mm | 46 mm |
| Trail | 101.1 mm | 101.1 mm | 101.1 mm | 101.1 mm |
| Stack | 622 mm | 631 mm | 640 mm | 654 mm |
| Reach | 391 mm | 413 mm | 435 mm | 456 mm |
| Top Tube Length | 580 mm | 605 mm | 630 mm | 655 mm |
| Seat Tube Angle | 73 ° | 73 ° | 73 ° | 73 ° |
| Seat Tube Length | 405 mm | 465 mm | 505 mm | 535 mm |
| Head Tube Angle | 68 ° | 68 ° | 68 ° | 68 ° |
| Head Tube Length | 105 mm | 115 mm | 125 mm | 140 mm |
| Chainstay Length | 480 mm | 480 mm | 480 mm | 480 mm |
| Wheelbase | 1145 mm | 1171 mm | 1197 mm | 1223 mm |
| Bottom Bracket Drop | 45 mm | 45 mm | 45 mm | 45 mm |
| Standover Height | 758 mm | 765 mm | 792 mm | 796 mm |
| Wheels | 27" | 27" | 27" | 27" |
| 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+ 1 Pro Electric Bike is a Giant E Fathom model. Giant launched 25 e-bikes of this model so far. You can easily view all of the Giant E Fathom e-bikes models from 2020, here.
Model range prices
Giant Fathom E+ 3 Electric Bike 2020 is the cheapest e-bike model and costs 2432$. Giant Fathom E+ 1 Pro 29 Electric Bike 2020 is the most expensive one and costs 3648$.
Safety
Make sure you wear a helmet on every ride, and that your bike performs well. In short, this means checking the tires, brakes, and chain to make sure everything is in good working order.
Trail e-bikes average price
According to our math, the average price for a trustworthy Trail e-bike is 3365$. However, you could also get a good Trail e-bike even if you pay a lower amount than the average price. As a general rule of thumb, you should always read reviews about the e-bike and its components before buying it to ensure you don’t pay too much.
Furthermore, this bike was made available in 2020 for 3648$. In conclusion, this e-bike price is 8.41% higher than the price of the average Trail e-bike.
Trail e-bikes average weight
Trail e-bikes weigh an average of 23.7 kg (52.25 lbs). A lighter bike will give you some extra advantage when climbing. A heavier bike will have more speed for descents.
With a weight of 24.62 kg (54.28 lbs), Giant e-bike is slightly heavier than average. In other words, this model is 3.88% heavier than the average Trail e-bike.
Overview of components
Fork
The Fathom E+ 1 Pro Electric Bike comes factory-installed with the RockShox Recon Silver RL fork. This has a travel range of 120mm. Bike forks absorb the shocks and give you a smooth and pleasant ride. In short, you should always ensure you have a good fork when purchasing a bike.
Wheels
As for the wheels, Giant Fathom E+ 1 Pro Electric Bike 2020, has a 27.5″ aluminum model. The 27.5″ wheels are a great choice for smaller riders. However, the overall traction of 27.5″ wheels is lower than 29″ wheels.
Brakes
We ride faster and faster, so a good braking system is essential on a bike nowadays. The Fathom E+ 1 Pro Electric Bike comes with Hydraulic Disc brakes. Hydraulic disc brakes are perfect for mountain biking, road cycling, and commuting. To sum up, your safety is in good hands.
Sizes
This e-bike is available in 4 sizes. They vary from 158 cm – 199 cm (5.18 ft – 6.53 ft). In conclusion, you won’t have a problem finding one that suits you.
