
Velopedia Bicycle Archive
2003 Schwinn Alloy 7
Original specifications: Cruiser Mix drivetrain · 26" wheels.
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At a glance
- Model year
- 2003
- Category
- Cruiser
- Original MSRP
- $319.99
- Sizes
- 18", womens 17"
- Colors
- Midnight Blue/Pearl White
- In this record
- 30 specifications · original MSRP
- Archive ID
- 38468
Model history 3 other years
Frameset
| Frame Construction | TIG-welded |
|---|---|
| Frame Material | 7000 aluminum |
| Fork | Schwinn |
| Fork Material | Unicrown |
| Rear Shock | N/A |
Drivetrain
| Component Group | Cruiser Mix |
|---|---|
| Shifters | Shimano Revo |
| Front Derailleur | N/A |
| Rear Derailleur | Shimano Tourney TY-40 |
| Crankset | Schwinn one-piece, 46 teeth |
| Bottom Bracket | One piece |
| Rear Cogs | 7-speed, 14 - 34 teeth |
| Chain | 1/2 x 3/32" |
| Pedals | Platform, rubber |
Brakes
| Brakes | Tektro linear-pull rear brakes, Tektro linear-pull rear levers |
|---|
Cockpit & Contact Points
| Headset | 1 1/8" steel |
|---|---|
| Handlebar | Steel, cruiser |
| Handlebar Extensions | Not included |
| Stem | Phantom alloy |
| Saddle | Schwinn Cruiser |
| Seatpost | Steel, 26.8mm diameter |
Wheels & Tires
| Hubs | Aluminum |
|---|---|
| Rims | Aluminum, 36-hole |
| Spokes | Stainless steel, 14ga. (2.0mm) straight gauge |
| Front Tire | 26 x 2.125" Schwinn Typhoon |
| Wheel Size | 26" wheels |
Parts & serviceability
Find replacement parts
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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 →
- BrakesInspect pad condition, cable movement and the rim sidewalls or brake tracks for wear. A concave or heavily worn braking surface can mean the wheel also needs replacement.Inspect the brakes →
- DrivetrainShift through every gear under light load and measure chain wear. Confirm that the shifter, derailleur, chain and cassette belong to the same 7-speed system.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 Schwinn Alloy 7 · Cruiser · Published sizes: 18", womens 17"
Frame and fork
Inspect the frame and fork →Archived: Frame: TIG-welded · Fork: Schwinn · Unicrown
Drivetrain
Check drivetrain wear →Archived: Group: Cruiser Mix · Shifters: Shimano Revo · Rear derailleur: Shimano Tourney TY-40 · Crankset: Schwinn one-piece, 46 teeth · Bottom bracket: One piece · Rear cogs: 7-speed, 14 - 34 teeth · Chain: 1/2 x 3/32"
Brakes
Inspect the brakes →Archived: Brakes: Tektro linear-pull rear brakes, Tektro linear-pull rear levers
Wheels and tires
Check wheels and tires →Archived: Wheel size: 26" wheels · Rims: Aluminum, 36-hole · Hubs: Aluminum · Front tire: 26 x 2.125" Schwinn Typhoon
Controls and contact points
Archived: Headset: 1 1/8" steel · Handlebar: Steel, cruiser · Stem: Phantom alloy · Seatpost: Steel, 26.8mm diameter · Saddle: Schwinn Cruiser · Pedals: Platform, rubber
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.

