2020 Giant

Roam 4 Disc

A 700c aluminum frame hybrid bike with modest components and hydraulic disc brakes.
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Manufacturer Price

$450
Weight31.3 lbs  
FrameAluminum
SuspensionHardtail, 63mm
ForkSuntour NEX
Wheels700c Aluminum
Drivetrain3 × 7
GroupsetAltus, Tourney
BrakesHydraulic Disc
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Insights
Gearing

A bike with lower gearing will be easier to ride up steep hills, while a higher top end means it will pedal faster down hills.

Lowest gear

(climbing)

32 mph

Roam 4 Disc

35 mph

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Highest gear

(descending)

Sizing
SM

5'2" – 5'8"

MD

5'6" – 6'0"

LG

5'10" – 6'4"

XL

6'2" – 6'7"

Rider Fit Notes

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Geometry
99 Spokes on YouTube99 Spokes on YouTube
Specs
Build
Frame

ALUXX-Grade Aluminum, disc

ColorLight Tan

Fork

SR Suntour NEX 700C, 63mm

Travel63mm

Spring TypeCoil

Shock

N/A

Spring TypeCoil

Bottom Bracket

cartridge

Stem

Giant Sport, 15-degree, 25.4

Handlebar

Giant Sport XC, 25.4

Saddle

Giant Sport Comfort

Seatpost

Giant Sport, 27.2

TypeRigid

Pedals

platform

Groupset
Rear Derailleur

Shimano Altus

Front Derailleur

Shimano Tourney

Crank

forged alloy, 28/38/44 with chainguard

Shifters

Shimano Altus

Cassette

Shimano HG200, 12x32, 7-speed

Chain

KMC Z7

Brakes

Tektro HD-M275 hydraulic disc

TypeHydraulic Disc

Brake Levers

Tektro HD-M275 hydraulic disc

Wheels
Rims

Giant GX Disc

Spokes

stainless, 14g

Front Hub

alloy, 32h, loose ball bearing

Rear Hub

alloy, 32h, loose ball bearing

Tires

Giant Crosscut, 700x42, anti-puncture

Rider Notes
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Last updated April 27