Bike details
Overview
Key information split into simple groups.
Bike summary
-
-
Frame Aluminum -
Wheels 700c -
Travel Front 63mm -
Fork SunTour NEX
-
Groupset Alivio, Shimano -
Suspension Hardtail -
Motor Giant 250W 80Nm mid-drive -
Battery Giant EnergyPak 400Wh, Side-release -
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 SL aluminium, Overdrive 1½ - 1?" head tube, integrated KS18 kickstand mount, compatible with fenders
Suspension Fork
SR Suntour NEX E25 63mm travel
Rear Shock
N/A
Drivetrain
Rear Derailleur
Shimano Alivio M3100, 9-Speed
Front Derailleur
-
Shift Levers
Shimano SL-M2000
Cassette
Shimano CS-HG200, 11-36T, 9-Speed
Crank
Forged Alloy minimal Q-factor, 42T
Bottom Bracket
N/A
Chain
KMC e.9 Sport, e-bike optimised
Pedals
Aluminium Platform
Wheels
Front Hub
Giant eTracker, [F] 100x9mm QR [R] 135mm QR
Rear Hub
Giant eTracker, [F] 100x9mm QR [R] 135mm QR
Rims
Giant GX03V, 700C Aluminium
Spokes
Stainless steel
Tires
Giant Crosscut Gravel 2, 700x45c, Tubeless Ready, Reflex (max tyre width possible: 50mm)
Brakes
Brakes
Tektro HD-M275, hydraulic disc, 160/180mm
Brake Levers
Tektro HD-M275
Cockpit
Stem
Giant Sport,15-Degree, 25.4
Handlebar
Giant Sport, 25.4
Seat
Saddle
Giant Sport Comfort
Seatpost
Giant 30.9mm, 2-bolt Micro Adjustable, Forged Aluminium
Motor & Battery
Motor
Giant SyncDrive Core
Battery
Giant EnergyPak 400Wh, Side-release
Remote
N/A
Fit data
Geometry
Numbers for sizing and ride feel.
| Size | SM | MD | LG | XL |
|---|---|---|---|---|
| Stack Reach Ratio | 1.54 mm | 1.55 mm | 1.52 mm | 1.5 mm |
| Front Center | 664 mm | 673 mm | 694 mm | 714 mm |
| Rake | 42 mm | 42 mm | 42 mm | 42 mm |
| Trail | 91.3 mm | 91.3 mm | 91.3 mm | 91.3 mm |
| Stack | 611 mm | 620 mm | 634 mm | 649 mm |
| Reach | 396 mm | 401 mm | 417 mm | 433 mm |
| Top Tube Length | 571 mm | 591 mm | 611 mm | 631 mm |
| Seat Tube Angle | 74 ° | 73 ° | 73 ° | 73 ° |
| Seat Tube Length | 435 mm | 485 mm | 535 mm | 585 mm |
| Head Tube Angle | 69.5 ° | 69.5 ° | 69.5 ° | 69.5 ° |
| Head Tube Length | 130 mm | 140 mm | 155 mm | 170 mm |
| Chainstay Length | 456 mm | 456 mm | 456 mm | 456 mm |
| Wheelbase | 1113 mm | 1122 mm | 1143 mm | 1164 mm |
| Bottom Bracket Drop | 60 mm | 60 mm | 60 mm | 60 mm |
| Standover Height | 746 mm | 776 mm | 809 mm | 845 mm |
| Wheels | 700 | 700 | 700 | 700 |
| Rider Min Height | 158 cm | 168 cm | 178 cm | 186 cm |
| Rider Max Height | 171 cm | 180 cm | 189 cm | 199 cm |
About this model
Roam E+ is a Giant E Roam model. Giant launched 9 e-bikes of this model so far. You can easily view all of the Giant E Roam e-bikes models from 2021, here.
Model range prices
Giant Roam E+ STA 2021 is the most economical model, with a starting price of 2600$. Giant Roam E+ Stagger Frame Electric Bike 2021 on the other hand costs 2685$, and is the most expensive model.
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.
Average price for Hybrid e-bikes
Our math shows that the average cost of a dependable Hybrid e-bike is 2480$. However, this doesn’t mean that if you spend less money on a Hybrid e-bike, you couldn’t get a decent one. To make sure you don’t pay a higher amount than normal for your e-bike, always do some components analysis and read reviews.
When Giant released this model in 2021, its price was 2675$. In conclusion, this e-bike price is 7.86% higher than the price of the average Hybrid e-bike.
Roam E+ components
Fork
The SunTour NEX is included from the factory. It has a travel distance of 63mm. Bike forks are good shock absorbers and provide a smooth ride and a great experience. In short, you should always ensure you have a good fork when purchasing a bike.
Wheels size
The Roam E+ 2021 e-bike is equipped with 700c aluminum wheels when leaving the factory. These wheels are the most used kind for road bikes in general. However, while they give you great speed and control, these wheels are not so bump-friendly.
Brakes
Nothing is more important on a bike than its ability to brake properly. Giant Roam E+ is equipped with Hydraulic Disc brakes. Hydraulic disc brakes provide amazing stopping power, no matter what the terrain. To sum up, you can ride your bike with confidence.
Sizes
There are 4 sizes available for this model. Rider height can be anywhere between 158 cm – 199 cm (5.18 ft – 6.53 ft). In conclusion, you won’t have a problem finding one that suits you.