5.3–32.3 mph at 90 rpm, estimated from the published rear tire size 700×40c · 40-622 ETRTO.
Velopedia Bicycle Archive
2015 Giant Roam 1
Original specifications: Shimano Deore · 10-speed rear derailleur · 700c wheels · geometry for 4 published sizes.
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At a glance
- Model year
- 2015
- Category
- Hybrid
- Original MSRP
- $835.00
- Sizes
- S, M, L, XL
- Colors
- Charcoal/Red
- Geometry
- 4 manufacturer sizes
- In this record
- 24 specifications · 3 archived images · original MSRP · geometry
- Archive ID
- 1101180
Model history 2 other years
Original buildAluminum · Shimano Deore mix · 700c
Frameset
| Frame Construction | ALUXX-grade aluminum |
|---|---|
| Frame Material | Aluminum |
| Fork | SR Suntour NEX HLO w/ preload adjuster & lockout, 63mm travel |
| Fork Material | Suspension |
Drivetrain
| Component Group | Shimano Deore mix |
|---|---|
| Shifters | Shimano Deore |
| Front Derailleur | Shimano Deore Trekking |
| Rear Derailleur | Shimano Deore, Shadow+ |
| Crankset | Shimano T521, 26/36/48 |
| Bottom Bracket | Shimano, Sealed |
| Cassette | Shimano HG50 11x36, 10-speed |
| Rear Cogs | Shimano HG50 11x36, 10-speed |
| Chain | KMC X10 |
Brakes
| Brakes | Shimano M355, Hydraulic disc, 160mm |
|---|
Cockpit & Contact Points
| Handlebar | Giant Connect, Low rise, 31.8mm |
|---|---|
| Stem | Giant Sport |
| Saddle | Giant Connect, Upright |
| Seatpost | Giant Sport, 30.9 |
Wheels & Tires
| Hubs | Formula Disc, 32h |
|---|---|
| Rims | Giant Alloy, Double wall |
| Spokes | Stainless Steel, 14g |
| Front Tire | Giant S-RX4, 700x40 |
| Rear Tire | Giant S-RX4, 700x40 |
| Wheel Size | 700c |
Geometry
Frame measurements by size.
Reference frame view
Select an available measurement to locate it on the frame.
All geometry measurements4 sizes · 7 measurements
| Measurement | S/17 | M/19 | L/21 | XL/23 |
|---|---|---|---|---|
| Top tube | 571.5 mm | 579.12 mm | 596.9 mm | 609.6 mm |
| Head tube | 109.22 mm | 114.3 mm | 119.38 mm | 124.46 mm |
| Head-tube angle | 71° | 71° | 71° | 71° |
| Seat-tube angle | 73° | 73° | 73° | 73° |
| Chainstay / rear center | 447.04 mm | 447.04 mm | 447.04 mm | 447.04 mm |
| Wheelbase | 1064.26 mm | 1082.04 mm | 1097.28 mm | 1117.6 mm |
| Standover height | 762 mm | 784.86 mm | 812.8 mm | 840.74 mm |
Measurements may vary by configuration, wheel size, or frame setting where noted in the published chart.
Gearing
Lower ratios provide more mechanical advantage for climbing. Higher ratios turn the rear wheel farther with each crank revolution.
Parts & serviceability
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More parts (4)
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Bike-specific inspection checklist 20 checks based on 6 archived component groups Open checklistClose checklist
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.
Identity and fit
Follow the full used-bike inspection order →Archived: 2015 Giant Roam 1 · Hybrid · Published sizes: S, M, L, XL
Frame and fork
Inspect the frame and fork →Archived: Frame: ALUXX-grade aluminum · Fork: SR Suntour NEX HLO w/ preload adjuster & lockout, 63mm travel · Suspension
Suspension
Evaluate the suspension →Archived: Fork: SR Suntour NEX HLO w/ preload adjuster & lockout, 63mm travel
Drivetrain
Check drivetrain wear →Archived: Group: Shimano Deore mix · Shifters: Shimano Deore · Front derailleur: Shimano Deore Trekking · Rear derailleur: Shimano Deore, Shadow+ · Crankset: Shimano T521, 26/36/48 · Bottom bracket: Shimano, Sealed · Cassette: Shimano HG50 11x36, 10-speed · Rear cogs: Shimano HG50 11x36, 10-speed · Chain: KMC X10
Brakes
Inspect the brakes →Archived: Brakes: Shimano M355, Hydraulic disc, 160mm
Wheels and tires
Check wheels and tires →Archived: Wheel size: 700c · Rims: Giant Alloy, Double wall · Hubs: Formula Disc, 32h · Front tire: Giant S-RX4, 700x40 · Rear tire: Giant S-RX4, 700x40
Controls and contact points
Archived: Handlebar: Giant Connect, Low rise, 31.8mm · Stem: Giant Sport · Seatpost: Giant Sport, 30.9 · Saddle: Giant Connect, Upright
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.




