
Velopedia Bicycle Archive
2003 Jamis Earth Cruiser 1
Original manufacturer specifications including Cruiser Mix drivetrain, 26" wheels, geometry for 1 published size.
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What Velopedia knows
- Model year
- 2003
- Category
- Cruiser
- Original MSRP
- $239.95
- Sizes
- 19", 21", 23", womens 17.5", womens 19"
- Colors
- Deep Red, Metallic Black, Pearl, Pink Rose, Royal Blue
- Geometry
- Legacy reference · Geometry context
- Record coverage
- 32 preserved details · archived image · original MSRP · preserved geometry
- Archive ID
- 30494
Model history 12 other years
Frameset
| Frame Construction | TIG-welded |
|---|---|
| Frame Material | 7005 aluminum |
| Fork | Jamis |
| Fork Material | Chromoly, unicrown crown |
| Rear Shock | N/A |
Drivetrain
| Component Group | Cruiser Mix |
|---|---|
| Shifters | N/A |
| Front Derailleur | N/A |
| Rear Derailleur | N/A |
| Crankset | Aluminum, 44 teeth |
| Bottom Bracket | Sealed |
| BB Shell Width | 68mm English |
| Rear Cogs | 1-speed |
| Chain | KMC Z51, 1/2 x 3/32" |
| Pedals | Wellgo Cruiser |
Brakes
| Brakes | Coaster brake rear |
|---|
Cockpit & Contact Points
| Headset | 1 1/8" threadless steel |
|---|---|
| Handlebar | Steel, cruiser |
| Handlebar Extensions | N/A |
| Stem | Aluminum, adjustable |
| Saddle | Jamis Comfort |
| Seatpost | Aluminum micro-adjust, 27.2mm diameter |
Wheels & Tires
| Hubs | Front: aluminum, nutted, Rear: Shimano Coaster Brake |
|---|---|
| Rims | Alex ALX 303, 36-hole |
| Spokes | Stainless steel, 14ga. (2.0mm) straight gauge |
| Spoke Nipples | Brass nipples |
| Front Tire | 26 x 2.125" Kenda Kruiser |
| Wheel Size | 26" wheels |
Historical reference geometry
Geometry
Historical model-level geometry recovered from Velopedia’s original archive database. The source does not identify which listed frame size this reference describes, so fit interpretation is intentionally limited and no size-normalized Archive Context is generated.
| Measurement | Legacy reference |
|---|---|
| Top tube | 610 mm |
| Head-tube angle | 69° |
| Seat-tube angle | 70° |
| Chainstay / rear center | 470 mm |
| Wheelbase | 1113 mm |
| Fork offset / rake | 45 mm |
Geometry source: Historical archive database — model-level reference geometry. The historical source provides one model-level geometry set and does not identify the corresponding frame size.
Geometry tools
Explore this historical geometry
Model-level historical reference
Parts & serviceability
Find replacement parts
More qualified parts (2)
Searches use the archived manufacturer specification, not the components currently installed on a particular bicycle. Confirm the exact model, size and fit before ordering. 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. Commercial relationships do not influence Archive specifications or analysis.
Used-bike inspection
If you’re buying this bike used
Before any test ride: both brakes should stop the bike firmly and release cleanly; both wheels should run true and be securely attached; tires should have no casing damage; and the headset, handlebar, stem, cranks and pedals should have no looseness or play.
Follow the full used-bike inspection order →- FrameLook closely for dents and hairline cracks around welds, the head tube and bottom-bracket area. Cosmetic scratches matter less than a change in shape or a crack line.Inspect the frame and fork →
- BrakesTest each brake separately and confirm it stops firmly and releases cleanly. Inspect the pads and braking surfaces for wear or contamination, and check the cables or hoses for damage.Inspect the brakes →
- DrivetrainShift through the full range under light load, measure chain wear and inspect the cassette or freewheel teeth. Skipping or hesitation can indicate wear, poor adjustment or mismatched parts.Check drivetrain wear →
- Wheels & tiresSpin both wheels and watch the rims for side-to-side or vertical movement. Check for dents, cracks, loose or uneven spokes and hub play, then inspect both tire casings for cuts, cracking or exposed threads.Check wheels and tires →
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: 2003 Jamis Earth Cruiser 1 · Cruiser · Published sizes: 19", 21", 23", womens 17.5", womens 19"
Frame and fork
Inspect the frame and fork →Archived: Frame: TIG-welded · Fork: Jamis · Chromoly, unicrown crown
Drivetrain
Check drivetrain wear →Archived: Group: Cruiser Mix · Crankset: Aluminum, 44 teeth · Bottom bracket: Sealed · Rear cogs: 1-speed · Chain: KMC Z51, 1/2 x 3/32"
Brakes
Inspect the brakes →Archived: Brakes: Coaster brake rear
Wheels and tires
Check wheels and tires →Archived: Wheel size: 26" wheels · Rims: Alex ALX 303, 36-hole · Hubs: Front: aluminum, nutted, Rear: Shimano Coaster Brake · Front tire: 26 x 2.125" Kenda Kruiser
Controls and contact points
Archived: Headset: 1 1/8" threadless steel · Handlebar: Steel, cruiser · Stem: Aluminum, adjustable · Seatpost: Aluminum micro-adjust, 27.2mm diameter · Saddle: Jamis Comfort · Pedals: Wellgo Cruiser
Before and during the test ride
Follow the full used-bike inspection order →Build relationships are limited to the archived manufacturer specifications. Confirm exact fit and standards before ordering parts or performing service.
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Current market
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Specifications are presented as a reference. Components may vary by market, size, production run, or later manufacturer revisions.




