Estimate uses the published front tire 700C×23 · nominal 23-622 as a proxy, corroborated by the wheel size. Rear tire size is not published or verified. Approximate circumference; actual rollout varies with tire and pressure. Theoretical, not a maximum achievable speed.
Velopedia Bicycle Archive
2003 EPX 303 - Ultegra
Original specifications: Shimano Ultegra drivetrain · 700c wheels · legacy reference geometry.
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At a glance
- Model year
- 2003
- Category
- Road
- Original MSRP
- $2,450.00
- Sizes
- 50cm, 53cm, 56cm, 59cm, 62cm
- Colors
- Pearl/Carbon
- Geometry
- Legacy reference
- In this record
- 27 specifications · archived image · original MSRP · geometry
- Archive ID
- 30269
Original buildCarbon fiber composite · Shimano Ultegra · 700c wheels
Frameset
| Frame Construction | Bonded/monocoque |
|---|---|
| Frame Material | Carbon fiber composite |
| Fork | Epx |
| Fork Material | Carbon fiber composite w/carbon fiber steerer, unicrown crown |
Drivetrain
| Component Group | Shimano Ultegra |
|---|---|
| Shifters | Shimano Ultegra STI Dual Control |
| Front Derailleur | Shimano Ultegra, braze-on |
| Rear Derailleur | Shimano Ultegra SS |
| Crankset | Shimano Ultegra, 39/53 teeth |
| Bottom Bracket | Shimano BB-6500, 109.5mm spindle |
| BB Shell Width | 68mm English |
| Rear Cogs | 9-speed, 12 - 23 teeth |
| Chain | Shimano CN-HG73, 1/2 x 3/32" |
| Pedals | Not included |
Brakes
| Brakes | Shimano Ultegra Dual Pivot brakes, Shimano Ultegra STI Dual Control levers |
|---|
Cockpit & Contact Points
| Headset | 1 1/8" integrated Cane Creek |
|---|---|
| Handlebar | ITM Super Italian Pro 225 |
| Handlebar Extensions | Not included |
| Stem | Thomson Elite |
| Saddle | Selle Italia Flite, titanium rails |
| Seatpost | Thomson Elite, 27.2mm diameter |
Wheels & Tires
| Hubs | Mavic Cosmic Elite |
|---|---|
| Rims | Mavic Cosmic Elite, 18-hole/24-hole |
| Spokes | Mavic stainless steel, bladed |
| Spoke Nipples | Brass nipples |
| Front Tire | 700 x 23c Continental Grand Prix 3000 kevlar |
| 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 Use these as a historical reference, not for size-specific fit.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 | 560 mm |
| Head-tube angle | 73° |
| Seat-tube angle | 73.5° |
| Chainstay / rear center | 406 mm |
| Wheelbase | 995 mm |
| Fork offset / rake | 43 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.
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: 2003 EPX 303 - Ultegra · Road race & triathlon · Published sizes: 50cm, 53cm, 56cm, 59cm, 62cm
Frame and fork
Inspect the frame and fork →Archived: Frame: Bonded/monocoque · Fork: EPX · Carbon fiber composite w/carbon fiber steerer, unicrown crown
Drivetrain
Check drivetrain wear →Archived: Group: Shimano Ultegra · Shifters: Shimano Ultegra STI Dual Control · Front derailleur: Shimano Ultegra, braze-on · Rear derailleur: Shimano Ultegra SS · Crankset: Shimano Ultegra, 39/53 teeth · Bottom bracket: Shimano BB-6500, 109.5mm spindle · Rear cogs: 9-speed, 12 - 23 teeth · Chain: Shimano CN-HG73, 1/2 x 3/32"
Brakes
Inspect the brakes →Archived: Brakes: Shimano Ultegra Dual Pivot brakes, Shimano Ultegra STI Dual Control levers
Wheels and tires
Check wheels and tires →Archived: Wheel size: 700c wheels · Rims: Mavic Cosmic Elite, 18-hole/24-hole · Hubs: Mavic Cosmic Elite · Front tire: 700 x 23c Continental Grand Prix 3000 kevlar
Controls and contact points
Archived: Headset: 1 1/8" integrated Cane Creek · Handlebar: ITM Super Italian Pro 225 · Stem: Thomson Elite · Seatpost: Thomson Elite, 27.2mm diameter · Saddle: Selle Italia Flite, titanium rails · Pedals: Not included
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.



