- Frame
- 7005 aluminum
- Brakes
- Coaster rear brakes, aluminum levers
Same brand and year
Velopedia Bicycle Archive
2001 Sun Bicycles Retro Nexus
Original specifications: 26" wheels · 37 lb published weight.
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At a glance
Archive #35917- Model year
- 2001
- Category
- Cruiser
- Sizes
- 18", womens 15", womens 18"
- Colors
- Black, Blue, Red, Yellow
- Weight
- 37 lb
- In this record
- 23 specifications · archived image
Original buildHi-tensile steel · 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
| Shifters | SRAM SRT 4.0 |
|---|---|
| Crankset | 1-piece 6 1/2", 36 teeth |
| Bottom Bracket | One piece |
| BB Shell Width | American |
| Rear Cogs | 4-speed internal, 18 teeth |
| Chain | KMC 410, 1/2 x 1/8" |
| Pedals | Wellgo LU-990 |
Brakes
| Brakes | Coaster rear |
|---|
Cockpit & Contact Points
| Headset | 1" steel |
|---|---|
| Handlebar | Steel |
| Stem | Aluminum |
| Saddle | Velo |
| Seatpost | Steel, 25.4mm diameter |
Wheels & Tires
| Hubs | Front: Joy Tech OS steel, nutted, Rear: Shimano Coaster Brake |
|---|---|
| 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
Original gearing is incomplete. Enter your setup to calculate ratios and cadence speeds.
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.
Wellgo LU-990
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
- 4-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.
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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: Shifters: SRAM SRT 4.0 · Crankset: 1-piece 6 1/2", 36 teeth · Bottom bracket: One piece · Rear cogs: 4-speed internal, 18 teeth · Chain: KMC 410, 1/2 x 1/8"
Brakes
Inspect the brakes →Archived: Brakes: Coaster rear
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: Shimano Coaster Brake · Front tire: 26 x 2.125" Kenda K-80
Controls and contact points
Archived: Headset: 1" steel · Handlebar: Steel · Stem: Aluminum · Seatpost: Steel, 25.4mm diameter · Saddle: Velo · 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.