Velopedia Bicycle Archive
1993 Univega Carbolite R7.4
Original specifications: Shimano 105SC STI drivetrain · 700c wheels · legacy reference geometry.
Selling this bike? Create a shareable bike record
At a glance
- Model year
- 1993
- Category
- Road
- Original MSRP
- $1,024.00
- Sizes
- 49, 51, 53, 55, 57, 59, 61
- Geometry
- Legacy reference
- In this record
- 20 specifications · original MSRP · geometry
- Archive ID
- 44782
Model history 1 other year
Original buildUnivega Road OS carbon fiber · Shimano 105SC STI · 700c wheels
Frameset
| Frame Construction | Lugged carbon fiber |
|---|---|
| Frame Material | Univega Road OS carbon fiber |
| Fork | Univega aluminum |
Drivetrain
| Component Group | Shimano 105SC STI |
|---|---|
| Shifters | Shimano 105SC STI |
| Front Derailleur | Shimano 105SC |
| Rear Derailleur | Shimano 105SC |
| Crankset | Shimano 105SC, 39/53 teeth |
| Rear Cogs | 8-speed, 12 - 23 teeth |
| Chain | Shimano CN-HG70 |
| Pedals | Shimano 105SC Clipless |
Brakes
| Brakes | Shimano 105SC brakes, levers |
|---|
Cockpit & Contact Points
| Handlebar | SR 201 |
|---|---|
| Stem | Concept DB Chromoly |
| Saddle | Concept w/ Hollow Chromoly Rails |
| Seatpost | Concept 229 Alloy, 220mm |
Wheels & Tires
| Hubs | Shimano 105SC |
|---|---|
| Rims | Araya CTL-385, 32-hole |
| Front Tire | 700 x 24c Concept Vivezza |
| Wheel Size | 700c wheels |
Geometry
Model-level measurements; the frame size was not recorded. Use these as a historical reference, not for size-specific fit.
Reference frame view
Select an available measurement to locate it on the frame.
All geometry measurementsLegacy reference · 6 measurements
| Measurement | Legacy reference |
|---|---|
| Top tube | 545 mm |
| Head-tube angle | 72° |
| Seat-tube angle | 72° |
| Chainstay / rear center | 412 mm |
| Wheelbase | 991 mm |
| Fork offset / rake | 50 mm |
The preserved source contains one model-level geometry set without an identified frame size.
Gearing
Lower ratios provide more mechanical advantage for climbing. Higher ratios turn the rear wheel farther with each crank revolution.
Parts & serviceability
Find replacement parts

SRAM PC-850 Chain One Color, 8 Speed
8 Speed
Replacement option · verify fit
More parts (1)
Based on the original build. Confirm the model, size and fit before ordering; installed parts may differ. As an Amazon Associate I earn from qualifying purchases. Velopedia may also earn from qualifying eBay purchases. Velopedia may also earn from qualifying retailer purchases.
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 Univega Carbolite R7.4 · Road race & triathlon · Published sizes: 49, 51, 53, 55, 57, 59, 61
Frame and fork
Inspect the frame and fork →Archived: Frame: Lugged carbon fiber · Fork: Univega aluminum
Drivetrain
Check drivetrain wear →Archived: Group: Shimano 105SC STI · Shifters: Shimano 105SC STI · Front derailleur: Shimano 105SC · Rear derailleur: Shimano 105SC · Crankset: Shimano 105SC, 39/53 teeth · Rear cogs: 8-speed, 12 - 23 teeth · Chain: Shimano CN-HG70
Brakes
Inspect the brakes →Archived: Brakes: Shimano 105SC brakes, levers
Wheels and tires
Check wheels and tires →Archived: Wheel size: 700c wheels · Rims: Araya CTL-385, 32-hole · Hubs: Shimano 105SC · Front tire: 700 x 24c Concept Vivezza
Controls and contact points
Archived: Handlebar: SR 201 · Stem: Concept DB Chromoly · Seatpost: Concept 229 Alloy, 220mm · Saddle: Concept w/ Hollow Chromoly Rails · Pedals: Shimano 105SC Clipless
Before and during the test ride
Follow the full used-bike inspection order →Have you owned this bike?Help preserve its real-world history by sharing your owner experience.
Share the details that would help another rider understand how this model fits, rides and holds up over time. Velopedia reviews every contribution before publication.
Already contributed? Send me a fresh private edit link
For privacy, Velopedia shows the same confirmation whether or not an experience exists.
Checking current listings…
Specifications are presented as a reference. Components may vary by market, size, production run, or later manufacturer revisions.