Ratio2.44:1
Estimated speed At 90 RPM
Gear
Uses front tire 24×1.95; rear size isn’t listed.
Velopedia Bicycle Archive
2009 SE Racing Quadrangle Looptail 24"
Original specifications: BMX drivetrain · 24" wheels.
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No archive photo is available for this record.
At a glance
Archive #19090- Model year
- 2009
- Category
- BMX
- Sizes
- 22" TT
- Colors
- Cool White
- In this record
- 23 specifications
Original buildChromoly · BMX · 24" wheels
Frameset
| Frame Construction | TIG-welded |
|---|---|
| Frame Material | Chromoly |
| Fork | Landing Gear |
| Fork Material | Chromoly, unicrown crown |
Drivetrain
| Component Group | BMX |
|---|---|
| Crankset | SE 3-pc chromoly, 39 teeth |
| Bottom Bracket | American |
| Cassette | Freewheel |
| Rear Cogs | 1-speed, 16 teeth |
| Chain | KMC Z30 |
| Pedals | Wellgo Classic alloy platform |
Brakes
| Brakes | Tektro 930AL linear pull rear brakes, Tektro 313A two finger alloy rear levers |
|---|
Cockpit & Contact Points
| Headset | 1 1/8" Tange DX4 alloy |
|---|---|
| Handlebar | SE Racing Wing Bar |
| Handlebar Extensions | Not included |
| Stem | Retro Top load alloy |
| Saddle | SE Racing Lightning Blitz w/bottle opener |
| Seatpost | Retro fluted micro adjust aluminum, 25.4mm diameter |
Wheels & Tires
| Hubs | SE Racing high flange sealed |
|---|---|
| Rims | Alex DM-24, 36-hole |
| Spokes | Stainless, 14ga. (2.0mm) |
| Front Tire | 24 x 1.95" Kenda K-Rad |
| Wheel Size | 24" wheels |
No specifications match. Try a component name or clear your search.
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
KMC Z30
Tektro 930AL linear pull rear brakes
Tektro 313A two finger alloy rear levers
More parts (3)Fewer parts
Wellgo Classic alloy platform
Retro fluted micro adjust aluminum
25.4mm diameter
Alex DM-24
36-hole
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
- 24 x 1.95" Kenda K-Rad
- Drivetrain
- 1-speed
- Seatpost diameter
- 25.4 mm
- Bottom bracket / shell
- 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: Landing Gear · Chromoly, unicrown crown
Drivetrain
Check drivetrain wear →Archived: Group: BMX · Crankset: SE 3-pc chromoly, 39 teeth · Bottom bracket: American · Cassette: Freewheel · Rear cogs: 1-speed, 16 teeth · Chain: KMC Z30
Brakes
Inspect the brakes →Archived: Brakes: Tektro 930AL linear pull rear brakes, Tektro 313A two finger alloy rear levers
Wheels and tires
Check wheels and tires →Archived: Wheel size: 24" wheels · Rims: Alex DM-24, 36-hole · Hubs: SE Racing high flange sealed · Front tire: 24 x 1.95" Kenda K-Rad
Controls and contact points
Archived: Headset: 1 1/8" Tange DX4 alloy · Handlebar: SE Racing Wing Bar · Stem: Retro Top load alloy · Seatpost: Retro fluted micro adjust aluminum, 25.4mm diameter · Saddle: SE Racing Lightning Blitz w/bottle opener · Pedals: Wellgo Classic alloy platform
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Specifications are presented as a reference. Components may vary by market, size, production run, or later manufacturer revisions.