Rear tire: 20×2.6.
Velopedia Bicycle Archive
2018 Cannondale Cujo 20
Original specifications: 20" wheels · geometry for 1 published size.
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At a glance
Archive #900002672- Model year
- 2018
- Category
- Kids
- Sizes
- One Size
- Colors
- Spectrum w/ Volt and Aqua, Gloss (SPB)
- Geometry
- 1 manufacturer size
- In this record
- 23 specifications · archived image · geometry
Model history 1 other year
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Identification clues
2018 archived details
- Published colors
- Spectrum w/ Volt and Aqua, Gloss (SPB)
- Frame
- Aluminum
Clues, not proof of model year. Colors vary and components may have been replaced.
Original buildAluminum · 20"
Frameset
| Frame Construction | Cujo 20, SmartForm C2 Alloy, smooth welding |
|---|---|
| Frame Material | Aluminum |
| Fork | Cujo 20 Rigid, SmartForm C2 Alloy, 1-1/8” steerer, IS disc mount |
| Fork Material | Aluminum |
Drivetrain
| Shifters | Shimano Tourney Revo Twist Shifter, 7-speed |
|---|---|
| Rear Derailleur | Shimano, TY300, 7-speed |
| Crankset | Prowheel, Pro-V30, 110mm length, 30T |
| Bottom Bracket | Cartridge square taper |
| Rear Cogs | Sunrace, 7-speed cassette, 11-34 |
| Chain | KMC, Z51, 1/2” x 3/32” |
| Pedals | Wellgo Composite Platform w/ reflectors |
Brakes
| Brakes | Tektro cable actuated mechanical disc |
|---|
Cockpit & Contact Points
| Headset | FSA, Alloy, 1-1/8” Ahead, integrated |
|---|---|
| Handlebar | Lightweight Alloy, 580 mm wide, 25.4mm |
| Stem | Alloy Ahead, 75mm |
| Saddle | Cannondale Ergo |
| Seatpost | Lightweight alloy, 25.4 mm |
Wheels & Tires
| Hubs | Formula, 7-speed freehub, disc |
|---|---|
| Rims | Cannondale C4 Disc, lightweight alloy, double wall, 20”, 29mm inner width, 28H |
| Spokes | Steel, 14g Black |
| Front Tire | Kenda Slant 6, 20x2.6” |
| Rear Tire | Kenda Slant 6, 20x2.6” |
| Wheel Size | 20" |
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Geometry
Frame measurements by size.
Reference drawing
Select an available measurement to locate it on the frame.
All geometry measurements1 size · 11 measurements
| Measurement | 20" |
|---|---|
| Seat tube | 265 mm |
| Effective top tube | 450 mm |
| Top tube | 433 mm |
| Head-tube angle | 69.5° |
| Seat-tube angle | 72° |
| Chainstay / rear center | 375 mm |
| Wheelbase | 866 mm |
| Bottom-bracket height | 216 mm |
| Reach | 306 mm |
| Stack | 444 mm |
| Standover height | 522 mm |
Dimensions as recorded.
Gearing
Lower gears help on climbs. Higher gears suit higher speeds.
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
7-speed cassette, 11-34
More parts (5)Fewer parts
7-speed
25.4 mm
Alloy, 1-1/8” Ahead, integrated
7-speed freehub, disc
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.
Service essentialsQuick reference before buying parts
Archived specifications for reference. Check the fitted parts before ordering.
- Front tire
- Kenda Slant 6, 20x2.6”Check: Verify the fitted tire’s size marking and rim type.
- Rear tire
- Kenda Slant 6, 20x2.6”Check: Verify the rear size; it may differ from the front.
- Drivetrain
- 7-speedCheck: Match the installed drivetrain family, not just its speed count.
- Seatpost diameter
- 25.4 mmCheck: Read the post’s diameter marking; seat-clamp size differs.
- Bottom bracket / shell
- Cartridge square taperCheck: Verify shell type and width, crank interface, and spindle length or spacers.
Bike-specific inspection checklist 19 checks based on 5 archived component groups Open checklistClose checklist
This checklist uses the archived equipment for this bike. It cannot confirm the condition, service history or later component changes of the example in front of you.
Identity and fit
Follow the full used-bike inspection order →Archived: 2018 Cannondale Cujo 20 · Youth · Published sizes: One Size
Frame and fork
Inspect the frame and fork →Archived: Frame: Cujo 20, SmartForm C2 Alloy, smooth welding · Fork: Cujo 20 Rigid, SmartForm C2 Alloy, 1-1/8” steerer, IS disc mount · Aluminum
Drivetrain
Check drivetrain wear →Archived: Shifters: Shimano Tourney Revo Twist Shifter, 7-speed · Rear derailleur: Shimano, TY300, 7-speed · Crankset: Prowheel, Pro-V30, 110mm length, 30T · Bottom bracket: Cartridge square taper · Rear cogs: Sunrace, 7-speed cassette, 11-34 · Chain: KMC, Z51, 1/2” x 3/32”
Brakes
Inspect the brakes →Archived: Brakes: Tektro cable actuated mechanical disc
Wheels and tires
Check wheels and tires →Archived: Wheel size: 20" · Rims: Cannondale C4 Disc, lightweight alloy, double wall, 20”, 29mm inner width, 28H · Hubs: Formula, 7-speed freehub, disc · Front tire: Kenda Slant 6, 20x2.6” · Rear tire: Kenda Slant 6, 20x2.6”
Controls and contact points
Archived: Headset: FSA, Alloy, 1-1/8” Ahead, integrated · Handlebar: Lightweight Alloy, 580 mm wide, 25.4mm · Stem: Alloy Ahead, 75mm · Seatpost: Lightweight alloy, 25.4 mm · Saddle: Cannondale Ergo · Pedals: Wellgo Composite Platform w/ reflectors
Before and during the test ride
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Specifications are presented as a reference. Components may vary by market, size, production run, or later manufacturer revisions.





