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
1999 Otis Guy Purist Dura-Ace Road
Original specifications: Shimano Dura-Ace drivetrain · 700c wheels · 19.5 lb published weight.
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At a glance
- Model year
- 1999
- Category
- Road
- Original MSRP
- $2,690.00
- Sizes
- 51cm, 53cm, 55cm, 56cm, 56.5, 58cm, 60cm, 60.5cm, custom
- Colors
- Black, Blue, Custom, Green, Orange, Red, White
- Weight
- 19.5 lb
- Geometry
- Legacy reference
- In this record
- 27 specifications · original MSRP · geometry
- Archive ID
- 82662
Original buildDedacciai 18MCDV6/Ritchey WCS Prestige · Shimano Dura-Ace · 700c wheels
Frameset
| Frame Construction | Brazed/welded |
|---|---|
| Frame Material | Dedacciai 18MCDV6/Ritchey WCS Prestige |
| Fork | Tange Silhouette |
| Fork Material | 4130 chromoly, unicrown crown |
Drivetrain
| Component Group | Shimano Dura-Ace |
|---|---|
| Shifters | Shimano Dura-Ace STI Dual Control |
| Front Derailleur | Shimano Dura-Ace, braze-on |
| Rear Derailleur | Shimano Dura-Ace |
| Crankset | Shimano Dura-Ace, 39/53 teeth |
| Bottom Bracket | Shimano BB-7700 |
| BB Shell Width | 68mm English |
| Rear Cogs | 9-speed, 12 - 23 teeth |
| Chain | Shimano CN-7700, 1/2 x 3/32" |
| Pedals | Not included |
Brakes
| Brakes | Shimano Dura-Ace Dual Pivot brakes, Shimano Dura-Ace levers |
|---|
Cockpit & Contact Points
| Headset | 1" Shimano Dura-Ace |
|---|---|
| Handlebar | ITM Super Italian |
| Handlebar Extensions | Not included |
| Stem | ITM Eclipse |
| Saddle | Selle Italia Flite |
| Seatpost | American Classic, 27.2mm diameter |
Wheels & Tires
| Hubs | Shimano Dura-Ace |
|---|---|
| Rims | Mavic Open Pro, 32-hole |
| Spokes | Wheelsmith XL, 2.0mm double-butted |
| Spoke Nipples | Alloy 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 Use these as a historical reference, not for size-specific fit.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 · 5 measurements
| Measurement | Legacy reference |
|---|---|
| Top tube | 565 mm |
| Head-tube angle | 73.5° |
| Seat-tube angle | 73° |
| Chainstay / rear center | 400 mm |
| Fork offset / rake | 40 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: 1999 Otis Guy Purist Dura-Ace Road · Road race & triathlon · Published sizes: 51cm, 53cm, 55cm, 56cm, 56.5, 58cm, 60cm, 60.5cm, custom
Frame and fork
Inspect the frame and fork →Archived: Frame: Brazed/welded · Fork: Tange Silhouette · 4130 chromoly, unicrown crown
Drivetrain
Check drivetrain wear →Archived: Group: Shimano Dura-Ace · Shifters: Shimano Dura-Ace STI Dual Control · Front derailleur: Shimano Dura-Ace, braze-on · Rear derailleur: Shimano Dura-Ace · Crankset: Shimano Dura-Ace, 39/53 teeth · Bottom bracket: Shimano BB-7700 · Rear cogs: 9-speed, 12 - 23 teeth · Chain: Shimano CN-7700, 1/2 x 3/32"
Brakes
Inspect the brakes →Archived: Brakes: Shimano Dura-Ace Dual Pivot brakes, Shimano Dura-Ace levers
Wheels and tires
Check wheels and tires →Archived: Wheel size: 700c wheels · Rims: Mavic Open Pro, 32-hole · Hubs: Shimano Dura-Ace · Front tire: 700 x 23c Continental Grand Prix 3000 kevlar
Controls and contact points
Archived: Headset: 1" Shimano Dura-Ace · Handlebar: ITM Super Italian · Stem: ITM Eclipse · Seatpost: American Classic, 27.2mm diameter · Saddle: Selle Italia Flite · 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.