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2015 Giant Roam 3

Original specifications: Shimano Tiagra drivetrain · 700c wheels · geometry for 4 published sizes.

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At a glance

Model year
2015
Category
Hybrid
Original MSRP
$550.00
Sizes
S, M, L, XL
Colors
Black, Matte Red/Gloss Red
Geometry
4 manufacturer sizes
In this record
25 specifications · 3 archived images · original MSRP · geometry
Archive ID
1107660
Model history 1 other year
Original buildAluminum · Shimano Tiagra · 700c

Manufacturer catalog

Published sizes and colors

4 sizes · 2 colors

Manufacturer-published sizes and colors; availability and exact size/color pairings may vary by market or production run.

Published sizes

SMLXL

Published colors

BlackMatte Red/Gloss Red

Frameset

Frame ConstructionALUXX-grade aluminum
Frame MaterialAluminum
ForkSR Suntour NEX HLO w/ preload adjuster & lockout, 63mm travel
Fork MaterialSuspension

Drivetrain

Component GroupShimano Tiagra
ShiftersShimano EF51
Front DerailleurShimano M191
Rear DerailleurShimano Acera
CranksetSR Suntour XCT, 28/38/48
Bottom BracketSR Suntour, Sealed
CassetteShimano HG31 11x34, 8-speed
Rear CogsShimano HG31 11x34, 8-speed
ChainKMC Z8
PedalsNylon w/ Anti-slip platform

Brakes

BrakesAlloy, linear pull

Cockpit & Contact Points

HandlebarGiant Sport, Low rise, 25.4mm
StemGiant Sport
SaddleGiant Connect, Upright
SeatpostGiant Sport, 30.9

Wheels & Tires

HubsFormula, 32h
RimsGiant Alloy, Double wall
SpokesStainless Steel, 14g
Front TireGiant S-RX4, 700x40
Rear TireGiant S-RX4, 700x40
Wheel Size700c

Geometry

4 sizes · 7 measurements

Frame measurements by size.

All geometry measurements4 sizes · 7 measurements
MeasurementS/17M/19L/21XL/23
Top tube571.5 mm579.12 mm596.9 mm609.6 mm
Head tube109.22 mm114.3 mm119.38 mm124.46 mm
Head-tube angle71°71°71°71°
Seat-tube angle73°73°73°73°
Chainstay / rear center447.04 mm447.04 mm447.04 mm447.04 mm
Wheelbase1064.26 mm1082.04 mm1097.28 mm1117.6 mm
Standover height762 mm784.86 mm812.8 mm840.74 mm

Measurements may vary by configuration, wheel size, or frame setting where noted in the published chart.

Gearing

Chainring ÷ rear sprocket

Lower ratios provide more mechanical advantage for climbing. Higher ratios turn the rear wheel farther with each crank revolution.

All published sizes48/38/28T · 11–34T · 8-speed
Lowest0.82:1 Highest4.36:1 Total range530%

6.1–32.3 mph at 90 rpm, estimated from the published rear tire size 700×40c · 40-622 ETRTO.

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Parts & serviceability

Find replacement parts

Original specifications
Chain · Original
KMC Z8
Retailer offers · Affiliate links
Cassette · Original
Shimano HG31 11x34, 8-speed
Brake pads · Original
Alloy, linear pull
More parts (2)
Rear derailleur · Original
Shimano Acera Search: Shimano Acera 8-speed rear derailleur
Hubs · Original
Formula, 32h

Based on the original build. Confirm the model, size and fit before ordering; installed parts may differ. As an Amazon Associate I earn from qualifying purchases. Velopedia may also earn from qualifying eBay purchases. Velopedia may also earn from qualifying retailer purchases.

Bike-specific inspection checklist 20 checks based on 6 archived component groups Open checklistClose checklist
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This checklist uses the archived equipment for this bike. It cannot confirm the condition, service history or later component changes of the example in front of you.

Archived: 2015 Giant Roam 3 · Hybrid · Published sizes: S, M, L, XL

Archived: Frame: ALUXX-grade aluminum · Fork: SR Suntour NEX HLO w/ preload adjuster & lockout, 63mm travel · Suspension

Archived: Fork: SR Suntour NEX HLO w/ preload adjuster & lockout, 63mm travel

Archived: Group: Shimano Tiagra · Shifters: Shimano EF51 · Front derailleur: Shimano M191 · Rear derailleur: Shimano Acera · Crankset: SR Suntour XCT, 28/38/48 · Bottom bracket: SR Suntour, Sealed · Cassette: Shimano HG31 11x34, 8-speed · Rear cogs: Shimano HG31 11x34, 8-speed · Chain: KMC Z8

Archived: Brakes: Alloy, linear pull

Archived: Wheel size: 700c · Rims: Giant Alloy, Double wall · Hubs: Formula, 32h · Front tire: Giant S-RX4, 700x40 · Rear tire: Giant S-RX4, 700x40

Controls and contact points

Archived: Handlebar: Giant Sport, Low rise, 25.4mm · Stem: Giant Sport · Seatpost: Giant Sport, 30.9 · Saddle: Giant Connect, Upright · Pedals: Nylon w/ Anti-slip platform

Before and during the test ride

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Gallery3 images

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Specifications are presented as a reference. Components may vary by market, size, production run, or later manufacturer revisions.

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