Rear tire: 26×2.1.
Velopedia Bicycle Archive
2021 Giant Simple Single
Original specifications: geometry for 1 published size.
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At a glance
Archive #900002166- Model year
- 2021
- Category
- Cruiser
- Original MSRP
- $600.00
- Sizes
- One Size
- Colors
- Metallic Red/Burgundy, Metallic Black
- Geometry
- 1 manufacturer size
- In this record
- 19 specifications · 2 archived images · original MSRP · geometry
Model history 18 other years
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Identification clues
2021 archived details
- Published colors
- Metallic Red/Burgundy, Metallic Black
- Frame
- Aluminum
Clues, not proof of model year. Colors vary and components may have been replaced.
Original buildAluminum
Frameset
| Frame Construction | ALUXX-Grade Aluminum |
|---|---|
| Frame Material | Aluminum |
| Fork | high-tensile chromoly steel |
| Fork Material | Steel |
Drivetrain
| Crankset | Giant alloy three-piece, 46t |
|---|---|
| Bottom Bracket | sealed cartridge |
| Cassette | 21t |
| Chain | KMC Z410, rustproof |
| Pedals | nylon with anti-slip platform |
Brakes
| Brakes | coaster brake |
|---|
Cockpit & Contact Points
| Handlebar | steel cruiser |
|---|---|
| Stem | alloy quill |
| Saddle | Giant Comfort |
| Seatpost | alloy micro-adjust, 27.2 |
Wheels & Tires
| Hubs | alloy, 36h |
|---|---|
| Rims | Giant alloy |
| Spokes | stainless, 14g |
| Front Tire | CST Cruiser, 26x2.1 |
| Rear Tire | CST Cruiser, 26x2.1 |
No specifications match. Try a component name or clear your search.
Geometry
Frame measurements by size.
Reference drawing
Select an available measurement to locate it on the frame.
All geometry measurements1 size · 10 measurements
| Measurement | One Size |
|---|---|
| Top tube | 644 mm |
| Head tube | 166 mm |
| Head-tube angle | 70° |
| Seat-tube angle | 70° |
| Chainstay / rear center | 474 mm |
| Wheelbase | 1160 mm |
| Reach | 432 mm |
| Stack | 589 mm |
| Standover height | 737 mm |
| Crank length | 170 mm |
Dimensions as recorded.
Gearing
Lower gears help on climbs. Higher gears suit higher speeds.
RPM = pedal turns per minute.
How it works
Ratio = front teeth ÷ rear teeth. Hub gears also include the hub’s internal ratio. A 400% range means the highest ratio is four times the lowest.
Speeds are estimates from tire size and pedal cadence. Actual speeds vary.
Try your current gearingChanged tires or gears? Calculate your setup.
Your changes apply to this calculation. The archived build stays unchanged.
Gearing results
| Measure | Original | Your setup |
|---|---|---|
| Lowest ratio | — | — |
| Highest ratio | — | — |
| Total range | — | — |
| Lowest-gear speed | — | — |
| Highest-gear speed | — | — |
Speeds are estimates. These calculations do not establish component compatibility or available tire clearance.
Parts & serviceability
Find replacement parts
27.2

Race Face Ride XC Seatpost Black, 27.2x375mm
Replacement option
26x2.1
Based on the original build. Check fit and installed parts before ordering. Affiliate links may earn Velopedia a commission. As an Amazon Associate I earn from qualifying purchases.
Service essentialsQuick reference before buying parts
Archived specifications for reference. Check the fitted parts before ordering.
- Front tire
- CST Cruiser, 26x2.1Check: Verify the fitted tire’s size marking and rim type.
- Rear tire
- CST Cruiser, 26x2.1Check: Verify the rear size; it may differ from the front.
- Seatpost diameter
- 27.2 mmCheck: Read the post’s diameter marking; seat-clamp size differs.
- Bottom bracket / shell
- sealed cartridgeCheck: Verify shell type and width, crank interface, and spindle length or spacers.
Not confirmed in this record: Drivetrain. Check the fitted parts for these details.
Bike-specific inspection checklist 19 checks based on 5 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: 2021 Giant Simple Single · Cruiser · Published sizes: One Size
Frame and fork
Inspect the frame and fork →Archived: Frame: ALUXX-Grade Aluminum · Fork: high-tensile chromoly steel · Steel
Drivetrain
Check drivetrain wear →Archived: Crankset: Giant alloy three-piece, 46t · Bottom bracket: sealed cartridge · Cassette: 21t · Chain: KMC Z410, rustproof
Brakes
Inspect the brakes →Archived: Brakes: coaster brake
Wheels and tires
Check wheels and tires →Archived: Rims: Giant alloy · Hubs: alloy, 36h · Front tire: CST Cruiser, 26x2.1 · Rear tire: CST Cruiser, 26x2.1
Controls and contact points
Archived: Handlebar: steel cruiser · Stem: alloy quill · Seatpost: alloy micro-adjust, 27.2 · Saddle: Giant Comfort · Pedals: nylon with anti-slip platform
Before and during the test ride
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Gallery2 images
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Specifications are presented as a reference. Components may vary by market, size, production run, or later manufacturer revisions.





