Estimate uses the published front tire 650C×23 · nominal 23-571 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
2004 Aegis Aro Svelte - Ultegra
Original specifications: Shimano Ultegra drivetrain · 650c wheels.
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At a glance
- Model year
- 2004
- Category
- Road
- Sizes
- 48cm, 50cm, 52cm, 54cm, 56cm, 58cm, 60cm
- Colors
- Black/Silver, Blue/Silver, Gold, Red/Silver, White/Silver, Yellow/Black
- In this record
- 25 specifications
- Archive ID
- 31986
Original buildCarbon fiber composite · Shimano Ultegra · 650c wheels
Frameset
| Frame Construction | Monocoque |
|---|---|
| Frame Material | Carbon fiber composite |
| Fork | Reynolds Ouzo Pro |
| Fork Material | Carbon fiber, aero crown |
Drivetrain
| Component Group | Shimano Ultegra |
|---|---|
| Shifters | Shimano Ultegra STI Dual Control |
| Front Derailleur | Shimano Ultegra, bottom-pull/braze-on |
| Rear Derailleur | Shimano Ultegra |
| Crankset | Shimano Ultegra, 39/53 teeth |
| Bottom Bracket | Shimano BB-5500 |
| BB Shell Width | 68mm English |
| Rear Cogs | 9-speed, 12 - 23 teeth |
| Chain | Shimano CN-HG93, 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" threadless Cane Creek S-2 |
|---|---|
| Handlebar | Ritchey Pro |
| Stem | ITM Road Racing |
| Saddle | Selle Italia Flite |
| Seatpost | Thomson Elite, 27.2mm diameter |
Wheels & Tires
| Hubs | Bontrager |
|---|---|
| Rims | Bontrager Race |
| Spokes | Stainless steel |
| Front Tire | 650 x 23c Hutchinson Carbon Comp |
| Wheel Size | 650c wheels |
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: 2004 Aegis Aro Svelte - Ultegra · Road race & triathlon · Published sizes: 48cm, 50cm, 52cm, 54cm, 56cm, 58cm, 60cm
Frame and fork
Inspect the frame and fork →Archived: Frame: Monocoque · Fork: Reynolds Ouzo Pro · Carbon fiber, aero crown
Drivetrain
Check drivetrain wear →Archived: Group: Shimano Ultegra · Shifters: Shimano Ultegra STI Dual Control · Front derailleur: Shimano Ultegra, bottom-pull/braze-on · Rear derailleur: Shimano Ultegra · Crankset: Shimano Ultegra, 39/53 teeth · Bottom bracket: Shimano BB-5500 · Rear cogs: 9-speed, 12 - 23 teeth · Chain: Shimano CN-HG93, 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: 650c wheels · Rims: Bontrager Race · Hubs: Bontrager · Front tire: 650 x 23c Hutchinson Carbon Comp
Controls and contact points
Archived: Headset: 1 1/8" threadless Cane Creek S-2 · Handlebar: Ritchey Pro · Stem: ITM Road Racing · Seatpost: Thomson Elite, 27.2mm diameter · Saddle: Selle Italia Flite · Pedals: Not included
Before and during the test ride
Follow the full used-bike inspection order →Have you owned this bike?Help document firsthand fit, ride and maintenance details that may no longer be available.
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Specifications are presented as a reference. Components may vary by market, size, production run, or later manufacturer revisions.