Ratio2.39:1
Estimated speed At 90 RPM
Gear
Uses front tire 20×2.25; rear size isn’t listed.
Velopedia Bicycle Archive
1999 Raleigh Speedway (01)
Original specifications: Juvenile Mix drivetrain · 20" wheels · 27 lb published weight.
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No archive photo is available for this record.
At a glance
Archive #84743- Model year
- 1999
- Category
- BMX
- Original MSRP
- $164.99
- Sizes
- Expert
- Colors
- Torch Red
- Weight
- 27 lb
- Geometry
- Legacy reference
- In this record
- 24 specifications · original MSRP · geometry
Original buildHi-tensile steel · Juvenile Mix · 20" wheels
Frameset
| Frame Construction | TIG-welded |
|---|---|
| Frame Material | Hi-tensile steel |
| Fork | Raleigh |
| Fork Material | Hi-tensile steel, unicrown crown |
Drivetrain
| Component Group | Juvenile Mix |
|---|---|
| Crankset | 1-piece 6", 43 teeth |
| Bottom Bracket | Chin Haur CH-35 |
| BB Shell Width | American |
| Rear Cogs | 1-speed, 18 teeth |
| Chain | KMC 410, 1/2 x 1/8" |
| Pedals | Wellgo LU-968 |
Brakes
| Brakes | Tektro 914A rear brakes, Tektro RBP-378A rear levers |
|---|
Cockpit & Contact Points
| Headset | 1" Chin Haur CH-664 |
|---|---|
| Handlebar | Hsin Lung steel |
| Handlebar Extensions | Not included |
| Stem | Hsin Lung steel |
| Saddle | Velo VL-206 |
| Seatpost | Leadtec steel, 22.2mm (7/8 inch) diameter |
Wheels & Tires
| Hubs | Joy Tech steel, nutted |
|---|---|
| Rims | Weinmann Zac 4019, 36-hole |
| Spokes | Shun Jiu UCP, 2.0mm straight gauge |
| Spoke Nipples | Brass nipples |
| Front Tire | 20 x 2.25" Kenda K-51 |
| Wheel Size | 20" wheels |
No specifications match. Try a component name or clear your search.
Geometry
Historical measurements. Frame size unknown.
Reference drawing
Size
Measurement
Measurement
—
Select an available measurement to locate it on the frame.
All geometry measurementsLegacy reference · 6 measurements
| Measurement | Legacy reference |
|---|---|
| Top tube | 518.2 mm |
| Head-tube angle | 72.5° |
| Seat-tube angle | 69° |
| Chainstay / rear center | 401.3 mm |
| Wheelbase | 939.8 mm |
| Fork offset / rake | 30.5 mm |
Frame size not recorded.
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
20 x 2.25" Kenda K-51
Replacement search: 20x2.25 bicycle tire Before ordering: Check rim type and tire clearance.
Wellgo LU-968
Leadtec steel
22.2mm (7/8 inch) 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
- 20 x 2.25" Kenda K-51
- Drivetrain
- 1-speed
- Seatpost diameter
- 22.2 mm
- Bottom bracket / shell
- Chin Haur CH-35 · 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: TIG-welded · Fork: Raleigh · Hi-tensile steel, unicrown crown
Drivetrain
Check drivetrain wear →Archived: Group: Juvenile Mix · Crankset: 1-piece 6", 43 teeth · Bottom bracket: Chin Haur CH-35 · Rear cogs: 1-speed, 18 teeth · Chain: KMC 410, 1/2 x 1/8"
Brakes
Inspect the brakes →Archived: Brakes: Tektro 914A rear brakes, Tektro RBP-378A rear levers
Wheels and tires
Check wheels and tires →Archived: Wheel size: 20" wheels · Rims: Weinmann Zac 4019, 36-hole · Hubs: Joy Tech steel, nutted · Front tire: 20 x 2.25" Kenda K-51
Controls and contact points
Archived: Headset: 1" Chin Haur CH-664 · Handlebar: Hsin Lung steel · Stem: Hsin Lung steel · Seatpost: Leadtec steel, 22.2mm (7/8 inch) diameter · Saddle: Velo VL-206 · Pedals: Wellgo LU-968
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