Lowest1.00:1
Highest4.50:1
Total range450%
Estimated speed At 90 RPM
Lowest gear
Highest gear
Uses front tire 26×1.95; rear size isn’t listed.
Velopedia Bicycle Archive
1993 Burley Bongo
Original specifications: Suntour XC Pro drivetrain · 26" wheels · 42.5 lb published weight.
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No archive photo is available for this record.
At a glance
Archive #43114- Model year
- 1993
- Category
- Tandem
- Original MSRP
- $1,925.00
- Sizes
- 18.5/16.5, 20/18, 22/20
- Weight
- 42.5 lb
- Geometry
- Legacy reference
- In this record
- 20 specifications · original MSRP · geometry
Original buildTrue Temper OS 4130 chrome-moly · Suntour XC Pro · 26" wheels
Frameset
| Frame Construction | TIG-welded steel |
|---|---|
| Frame Material | True Temper OS 4130 chrome-moly |
| Fork | True Temper/Burley unicrown OS |
Drivetrain
| Component Group | Suntour XC Pro |
|---|---|
| Shifters | Suntour XC Pro thumbshifters |
| Front Derailleur | Suntour XC Pro |
| Rear Derailleur | Suntour XC Pro |
| Crankset | Specialized tandem, 28/44/54 teeth |
| Rear Cogs | 7-speed, 12 - 28 teeth |
| Chain | DID Super Shift |
| Pedals | MKS MT-Lux Comp, Cateye clips/straps |
Brakes
| Brakes | Suntour XC Pro self energizing cantilevers, Dia-Compe SS5 levers brakes, levers |
|---|
Cockpit & Contact Points
| Handlebar | True Temper ATB 22" 6061 Light Alloy |
|---|---|
| Stem | Fr: Chrome-moly Burley O/S Rr: Chrome-moly |
| Saddle | Vetta Lite Gel |
| Seatpost | Kalloy Forged 250mm |
Wheels & Tires
| Hubs | Sansin |
|---|---|
| Rims | Sun Metal CR20, 40-hole |
| Front Tire | 26 x 1.95" Specialized Crossroads II |
| Wheel Size | 26" 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 · 5 measurements
| Measurement | Legacy reference |
|---|---|
| Head-tube angle | 73° |
| Seat-tube angle | 73° |
| Chainstay / rear center | 457.2 mm |
| Wheelbase | 1765.3 mm |
| Fork offset / rake | 57.1 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
26 x 1.95" Specialized Crossroads II
Specialized Crossroads II on eBaySponsored links
Specialized tandem
28/44/54 teeth
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Parts and service referenceQuick reference before buying parts
Archived specifications for reference. Check the fitted parts before ordering.
- Front tire
- 26 x 1.95" Specialized Crossroads II
- Drivetrain
- 7-speed
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 steel · Fork: True Temper/Burley unicrown OS
Drivetrain
Check drivetrain wear →Archived: Group: Suntour XC Pro · Shifters: Suntour XC Pro thumbshifters · Front derailleur: Suntour XC Pro · Rear derailleur: Suntour XC Pro · Crankset: Specialized tandem, 28/44/54 teeth · Rear cogs: 7-speed, 12 - 28 teeth · Chain: DID Super Shift
Brakes
Inspect the brakes →Archived: Brakes: Suntour XC Pro self energizing cantilevers, Dia-Compe SS5 levers brakes, levers
Wheels and tires
Check wheels and tires →Archived: Wheel size: 26" wheels · Rims: Sun Metal CR20, 40-hole · Hubs: Sansin · Front tire: 26 x 1.95" Specialized Crossroads II
Controls and contact points
Archived: Handlebar: True Temper ATB 22" 6061 Light Alloy · Stem: Fr: Chrome-moly Burley O/S Rr: Chrome-moly · Seatpost: Kalloy Forged 250mm · Saddle: Vetta Lite Gel · Pedals: MKS MT-Lux Comp, Cateye clips/straps
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Specifications are presented as a reference. Components may vary by market, size, production run, or later manufacturer revisions.