Ratio2.69:1
Estimated speed At 90 RPM
Gear
Rear tire: 20×1.75.
Velopedia Bicycle Archive
2011 SE Racing Ripper
Original specifications: BMX Mix drivetrain · 20" wheels · 23.3 lb published weight.
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At a glance
Archive #25562- Model year
- 2011
- Category
- BMX
- Original MSRP
- $320.00
- Sizes
- 20"
- Colors
- Black, Dark Matte Gray
- Weight
- 23.3 lb
- In this record
- 21 specifications · 7 archived images · original MSRP
Model history 5 other years
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Identification clues
2011 archived details
- Published colors
- Black, Dark Matte Gray
- Frame
- 6061 aluminum
- Original equipment
- BMX Mix
Clues, not proof of model year. Colors vary and components may have been replaced.
Original build6061 aluminum · BMX Mix · 20" wheels
Frameset
| Frame Construction | Aluminum |
|---|---|
| Frame Material | 6061 aluminum |
| Fork | Landing Gear |
Drivetrain
| Component Group | BMX Mix |
|---|---|
| Crankset | SE 3-pc chromoly 170mm, 43t teeth |
| Bottom Bracket | Euro Sealed |
| Rear Cogs | 1-speed, 16 teeth |
| Chain | KMC Z410 |
| Pedals | FPD Alloy platform |
Brakes
| Brakes | None front/Rush V-Brake rear brakes, Rush 2-finger rear levers |
|---|
Cockpit & Contact Points
| Headset | 1 1/8" Tange Threadless |
|---|---|
| Handlebar | SE Wing Bar, 25.5" x 7" |
| Handlebar Extensions | Bar ends |
| Stem | SE Front Load alloy |
| Saddle | SE Racing |
| Seatpost | Race Rocker micro adjust aluminum, 27.2mm diameter |
Wheels & Tires
| Hubs | SE Racing alloy |
|---|---|
| Rims | Alex C-1000, 36-hole |
| Front Tire | 20 x 1.95" Kenda K-Rad |
| Rear Tire | 20 x 1.75" Kenda K-Rad |
| Wheel Size | 20" 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
Race Rocker micro adjust aluminum
27.2mm diameter
Retailer offers
Race Face Ride XC Seatpost Black, 27.2x375mm
Replacement option
More parts (1)Fewer parts
Alex C-1000
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
- Front: 20 x 1.95" Kenda K-Rad, Rear: 20 x 1.75" Kenda K-Rad
- Drivetrain
- 1-speed
- Seatpost diameter
- 27.2 mm
- Bottom bracket / shell
- Euro Sealed
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: Aluminum · Fork: Landing Gear
Drivetrain
Check drivetrain wear →Archived: Group: BMX Mix · Crankset: SE 3-pc chromoly 170mm, 43t teeth · Bottom bracket: Euro Sealed · Rear cogs: 1-speed, 16 teeth · Chain: KMC Z410
Brakes
Inspect the brakes →Archived: Brakes: None front/Rush V-Brake rear brakes, Rush 2-finger rear levers
Wheels and tires
Check wheels and tires →Archived: Wheel size: 20" wheels · Rims: Alex C-1000, 36-hole · Hubs: SE Racing alloy · Front tire: Front: 20 x 1.95" Kenda K-Rad, Rear: 20 x 1.75" Kenda K-Rad
Controls and contact points
Archived: Headset: 1 1/8" Tange Threadless · Handlebar: SE Wing Bar, 25.5" x 7" · Stem: SE Front Load alloy · Seatpost: Race Rocker micro adjust aluminum, 27.2mm diameter · Saddle: SE Racing · Pedals: FPD Alloy platform
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Gallery7 images
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Specifications are presented as a reference. Components may vary by market, size, production run, or later manufacturer revisions.