Lowest1.57:1
Highest3.14:1
Total range200%
Estimated speed At 90 RPM
Lowest gear
Highest gear
Uses front tire 26×2.125; rear size isn’t listed.
Velopedia Bicycle Archive
2001 Sun Bicycles Retro Alloy 7-SP
Original specifications: Shimano Tourney · 7-speed · mechanical rear derailleur · 26" wheels.
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At a glance
Archive #35914- Model year
- 2001
- Category
- Cruiser
- Sizes
- 18", womens 15", womens 18"
- Colors
- Blue, Red
- In this record
- 25 specifications · archived image
Model history 1 other year
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Identification clues
2001 archived details
- Published colors
- Blue, Red
- Frame
- Hi-tensile steel
- Original equipment
- Cruiser Mix
Clues, not proof of model year. Colors vary and components may have been replaced.
Original buildHi-tensile steel · Cruiser Mix · 26" wheels
Frameset
| Frame Construction | Welded |
|---|---|
| Frame Material | Hi-tensile steel |
| Fork | Sun Bicycles Cruiser Oversized |
| Fork Material | Hi-tensile steel, oversize, unicrown crown |
Drivetrain
| Component Group | Cruiser Mix |
|---|---|
| Shifters | SRAM MRX |
| Rear Derailleur | Shimano Tourney TY-22 |
| Crankset | 1-piece 6 1/2", 44 teeth |
| Bottom Bracket | One piece |
| BB Shell Width | American |
| Rear Cogs | 7-speed, 14 - 28 teeth |
| Chain | KMC UG-30, 1/2 x 3/32" |
| Pedals | Wellgo LU-990 |
Brakes
| Brakes | JY-915AE linear pull brakes, JY-321 linear pull levers |
|---|
Cockpit & Contact Points
| Headset | 1" steel |
|---|---|
| Handlebar | Steel hi-rise |
| Stem | Aluminum |
| Saddle | Viscount v-2348-1 |
| Seatpost | Steel, 25.4mm diameter |
Wheels & Tires
| Hubs | Front: Joy Tech OS steel, nutted, Rear: Joy Tech steel, nutted |
|---|---|
| Rims | Front: HJC -7X Aluminum, Rear: HJC-7X Aluminum, 36-hole |
| Spokes | Sha-Dar stainless steel, 2.0mm straight gauge |
| Spoke Nipples | Brass nipples |
| Front Tire | 26 x 2.125" Kenda K-80 |
| Wheel Size | 26" wheels |
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Gearing
Lower gears help on climbs. Higher gears suit higher speeds.
RPM
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
26 x 2.125" Kenda K-80
Replacement search: 26x2.125 bicycle tire Before ordering: Check rim type and tire clearance.
JY-915AE linear pull brakes
JY-321 linear pull levers
Wellgo LU-990
More parts (2)Fewer parts
Shimano Tourney TY-22
Steel
25.4mm diameter
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.
Parts and service referenceQuick reference before buying parts
Archived specifications for reference. Check the fitted parts before ordering.
- Front tire
- 26 x 2.125" Kenda K-80
- Drivetrain
- 7-speed
- Seatpost diameter
- 25.4 mm
- Bottom bracket / shell
- One piece · American
Equipment inspection checks 10 checks based on 5 archived component groups Open equipment checksClose equipment checks
Checks selected from the archived equipment. Confirm what is fitted today. This is not a complete safety inspection; use the full inspection guide before test riding.
Full used-bike inspection guide →
Frame and fork
Inspect the frame and fork →Archived: Frame: Welded · Fork: Sun Bicycles Cruiser Oversized · Hi-tensile steel, oversize, unicrown crown
Drivetrain
Check drivetrain wear →Archived: Group: Cruiser Mix · Shifters: SRAM MRX · Rear derailleur: Shimano Tourney TY-22 · Crankset: 1-piece 6 1/2", 44 teeth · Bottom bracket: One piece · Rear cogs: 7-speed, 14 - 28 teeth · Chain: KMC UG-30, 1/2 x 3/32"
Brakes
Inspect the brakes →Archived: Brakes: JY-915AE linear pull brakes, JY-321 linear pull levers
Wheels and tires
Check wheels and tires →Archived: Wheel size: 26" wheels · Rims: Front: HJC -7X Aluminum, Rear: HJC-7X Aluminum, 36-hole · Hubs: Front: Joy Tech OS steel, nutted, Rear: Joy Tech steel, nutted · Front tire: 26 x 2.125" Kenda K-80
Controls and contact points
Archived: Headset: 1" steel · Handlebar: Steel hi-rise · Stem: Aluminum · Seatpost: Steel, 25.4mm diameter · Saddle: Viscount v-2348-1 · Pedals: Wellgo LU-990
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Specifications are presented as a reference. Components may vary by market, size, production run, or later manufacturer revisions.