Rear tire: 650B×28.
Velopedia Bicycle Archive
2026 Giant Seek 1
Original specifications: geometry for 1 published size.
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At a glance
Archive #900001293- Model year
- 2026
- Category
- Kids
- Original MSRP
- $3,600.00
- Colors
- Raw Aluminum
- Geometry
- 1 manufacturer size
- In this record
- 19 specifications · 8 archived images · original MSRP · geometry
Model history 6 other years
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Identification clues
2026 archived details
- Published colors
- Raw Aluminum
- 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 | Advanced-grade Composite |
| Fork Material | Carbon Fiber |
Drivetrain
| Shifters | TRP Vistar |
|---|---|
| Rear Derailleur | TRP Vistar |
| Crankset | Prowheel DMA, 30T, 130mm |
| Bottom Bracket | Press-fit |
| Cassette | Shimano 105, 12-speed, 11x36 |
| Chain | KMC X12 |
| Pedals | VP-335T |
Brakes
| Brakes | Tektro TR-35 [F/R]140mm |
|---|
Cockpit & Contact Points
| Handlebar | Giant Contact SL Lite 320mm Hoods, Flare to 340mm Drops |
|---|---|
| Stem | Contact OD1, -8 degrees, 60mm |
| Saddle | Giant Grit Core Lite |
| Seatpost | D-Fuse Composite, 300mm |
Wheels & Tires
| Rims | Giant SLR 1 40 Carbon Disc [650B] Wheel System [F/R]18H w/DBL (Dynamic Balanced Lacing) technology |
|---|---|
| Front Tire | Giant Gavia Course 0, Tubeless, 650x28B, Folding |
| Rear Tire | Giant Gavia Course 0, Tubeless, 650x28B, Folding |
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 | 427 mm |
| Head tube | 88 mm |
| Head-tube angle | 70.6° |
| Seat-tube angle | 78° |
| Chainstay / rear center | 400 mm |
| Wheelbase | 918.1 mm |
| Reach | 325.5 mm |
| Stack | 476.5 mm |
| Standover height | 610 mm |
| Crank length | 130 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

Shimano Deore CN-M6100 Chain Silver, 12 Speed, 126 Links
Replacement option
12-speed, 11x36

Shimano 105 CS-HG710 12-Speed Cassette Silver, 11-36T, 12-Speed
Specification match
Tubeless, 650x28B, Folding
Before ordering: Check rim compatibility and tire clearance.
Schwalbe Pro One Evolution 650b Tubeless Tire Black, 650x28
650bx28
Replacement option
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
- Giant Gavia Course 0, Tubeless, 650x28B, FoldingCheck: Verify the fitted tire’s size marking and rim type.
- Rear tire
- Giant Gavia Course 0, Tubeless, 650x28B, FoldingCheck: Verify the rear size; it may differ from the front.
- Drivetrain
- 12-speedCheck: Match the installed drivetrain family, not just its speed count.
- Bottom bracket / shell
- Press-fitCheck: Verify shell type and width, crank interface, and spindle length or spacers.
Not confirmed in this record: Seatpost diameter. 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: 2026 Giant Seek 1 · Kids
Frame and fork
Inspect the frame and fork →Archived: Frame: ALUXX-Grade Aluminum · Fork: Advanced-grade Composite · Carbon Fiber
Drivetrain
Check drivetrain wear →Archived: Shifters: TRP Vistar · Rear derailleur: TRP Vistar · Crankset: PROWHEEL DMA, 30T, 130mm · Bottom bracket: Press-fit · Cassette: Shimano 105, 12-speed, 11x36 · Chain: KMC X12
Brakes
Inspect the brakes →Archived: Brakes: Tektro TR-35 [F/R]140mm
Wheels and tires
Check wheels and tires →Archived: Rims: Giant SLR 1 40 Carbon Disc [650B] Wheel System [F/R]18H w/DBL (Dynamic Balanced Lacing) technology · Front tire: Giant Gavia Course 0, Tubeless, 650x28B, Folding · Rear tire: Giant Gavia Course 0, Tubeless, 650x28B, Folding
Controls and contact points
Archived: Handlebar: Giant Contact SL Lite 320mm Hoods, Flare to 340mm Drops · Stem: Contact OD1, -8 degrees, 60mm · Seatpost: D-Fuse Composite, 300mm · Saddle: Giant Grit Core Lite · Pedals: VP-335T
Before and during the test ride
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Gallery8 images
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Specifications are presented as a reference. Components may vary by market, size, production run, or later manufacturer revisions.





