Uses front tire 650C×20; rear size isn’t listed.
Velopedia Bicycle Archive
1993 Basso Titanium Tri/600 Ultegra
Original specifications: Shimano 600 Ultegra STI drivetrain · 650c wheels · 18 lb published weight.
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At a glance
- Model year
- 1993
- Category
- Road
- Original MSRP
- $2,895.00
- Sizes
- 50, 53, 56, 59
- Weight
- 18 lb
- Geometry
- Legacy reference
- In this record
- 20 specifications · original MSRP · geometry
- Archive ID
- 40235
Original buildTitanium · Shimano 600 Ultegra STI · 650c wheels
Frameset
| Frame Construction | Lugged titanium |
|---|---|
| Frame Material | Titanium |
| Fork | SR Prism aluminum |
Drivetrain
| Component Group | Shimano 600 Ultegra STI |
|---|---|
| Shifters | Shimano 600 Ultegra STI |
| Front Derailleur | Shimano 600 Ultegra |
| Rear Derailleur | Shimano 600 Ultegra |
| Crankset | Shimano 600 Ultegra, 42/53 teeth |
| Rear Cogs | 8-speed, 12 - 21 teeth |
| Chain | Shimano CN-HG91 |
| Pedals | Shimano 600 Ultegra clipless |
Brakes
| Brakes | Shimano 600 Ultegra brakes, levers |
|---|
Cockpit & Contact Points
| Handlebar | Cinelli |
|---|---|
| Stem | Cinelli 1/A |
| Saddle | Vetta Superlite |
| Seatpost | Shimano 600 Ultegra |
Wheels & Tires
| Hubs | Shimano 600 Ultegra |
|---|---|
| Rims | Campagnolo Omega 19 Aero |
| Front Tire | 650 x 20c Michelin Comp HD |
| Wheel Size | 650c wheels |
Geometry
Historical measurements. Frame size unknown.
Reference drawing
Select an available measurement to locate it on the frame.
All geometry measurementsLegacy reference · 6 measurements
| Measurement | Legacy reference |
|---|---|
| Top tube | 560 mm |
| Head-tube angle | 73° |
| Seat-tube angle | 73° |
| Chainstay / rear center | 410 mm |
| Wheelbase | 975 mm |
| Fork offset / rake | 45 mm |
Frame size not recorded.
Gearing
Lower gears help on climbs. Higher gears suit higher speeds.
RPM = pedal turns per minute.
How it works
Ratio = chainring teeth ÷ rear sprocket teeth. A 400% range means the highest ratio is four times the lowest.
Speeds are estimates from tire size and pedal cadence. Actual speeds vary.
Parts & serviceability
Find replacement parts

SRAM PC-850 Chain One Color, 8 Speed
8 Speed
Replacement option · verify fit
More parts (6)
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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: 1993 Basso Titanium Tri/600 Ultegra · Road race & triathlon · Published sizes: 50, 53, 56, 59
Frame and fork
Inspect the frame and fork →Archived: Frame: Lugged titanium · Fork: SR Prism aluminum
Drivetrain
Check drivetrain wear →Archived: Group: Shimano 600 Ultegra STI · Shifters: Shimano 600 Ultegra STI · Front derailleur: Shimano 600 Ultegra · Rear derailleur: Shimano 600 Ultegra · Crankset: Shimano 600 Ultegra, 42/53 teeth · Rear cogs: 8-speed, 12 - 21 teeth · Chain: Shimano CN-HG91
Brakes
Inspect the brakes →Archived: Brakes: Shimano 600 Ultegra brakes, levers
Wheels and tires
Check wheels and tires →Archived: Wheel size: 650c wheels · Rims: Campagnolo Omega 19 Aero · Hubs: Shimano 600 Ultegra · Front tire: 650 x 20c Michelin Comp HD
Controls and contact points
Archived: Handlebar: Cinelli · Stem: Cinelli 1/A · Seatpost: Shimano 600 Ultegra · Saddle: Vetta Superlite · Pedals: Shimano 600 Ultegra clipless
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.