2021 · GiantRoam E+ GTS

A 700c aluminum frame hybrid e-bike with mid-range components and hydraulic disc brakes. Compare the full range

2021 Giant Roam E+ GTS
MSRP$2,750
SuspensionHardtail
Travel63mm front
FrameAluminum
ForkSuntour NEX
Wheels700c Aluminum
Drivetrain1 × 9
GroupsetAlivio, Altus
MotorYamaha 250W 50Nm mid-drive
Battery400Wh (♻️ Call2Recycle supporter)
BrakesHydraulic Disc
Where to Buy
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Estimated Spec Level

Based on build material and quality level of the frame, fork, wheelset, groupset, suspension system, and more. Learn more »

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Reviews
Electric Bike Review
Giant Roam E+ Review

Jun 2022

Price: $2750.00 | Model Year: 2022 | A hardtail cross country hybrid that comes in two frame styles, four sizes, and one color: gloss black. It's the most affordable electric bike model from Giant, is sold through dealers, and comes with a two-year warranty plus lifetime frame.

Observations
  • A hardtail cross country hybrid that comes in two frame styles, four sizes, and one color: gloss black. It's the most affordable electric bike model from Giant, is sold through dealers, and comes with a two-year warranty plus lifetime frame.

  • Efficient and quiet SyncDrive motor is a collaboration between Giant and Yamaha. It offers up to 50 newton meters of torque and measures wheel speed, cadence, and pedal torque for smooth natural operation. Optional smartphone app for tuning.

  • Good battery placement with ability to charge on or off the frame. Quality ergonomic grips and saddle, 63mm travel suspension fork with basic preload adjustment, tubeless-ready tires with range of PSI options. Smooth hydraulic disc brakes.

  • Minimalist button pad LED display is durable and easy to use but limited on readouts. Bike does not come with a kickstand, but the dealer might include for free. No lights, fenders, or rear rack stock but plenty of mounting options to add post-purchase. Limited 100 RPM cadence support from motor and no shift detection. Mid-step frame doesn't have bottle bosses.

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Geometry

Sizing
SM

5'2" – 5'8"

MD

5'6" – 6'0"

LG

5'10" – 6'4"

XL

6'2" – 6'7"


Specs
Build
Frame

ALUXX SL-Grade Aluminum

ColorBlack

Fork

SR Suntour NEX E25, 63mm

Rear Shock

N/A

Bottom Bracket

N/A

Stem

Giant Sport

Handlebar

Giant Sport XC, 25.4

Saddle

Giant Sport Comfort

Seatpost

Alloy, 30.9

Pedals

Platform

Groupset
Rear Derailleur

Shimano Alivio

Front Derailleur

-

Crank

Forged alloy, 42t

Shifters

Shimano Altus

Cassette

Shimano HG200, 9-speed, 11x36

Chain

KMC X9, E-bike optimized

Brakes

Tektro M275, hydraulic (F:180mm, R:160mm)

Brake Levers

Tektro M275

Wheels
Rims

Giant GX03 disc wheelset

Spokes

Stainless

Front Hub

Alloy disc, QR

Rear Hub

Alloy disc, QR

Tires

Giant Crosscut Gravel 2, tubeless, 700x45c

Electric Components
Motor

Giant SyncDrive Core, 50Nm, 5-mode plus automatic, 360% tunable support, powered by YAMAHA. Pedal support to 20 mph.

Battery

EnergyPak 400Wh, 36V, 11.3Ah rechargeable lithium-ion

Remote

*wireless display compatible

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