Estimate uses the published front tire 650C×20 · nominal 20-571 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
1998 Kestrel KM40
Original specifications: Shimano Dura-Ace drivetrain · 650c wheels · legacy reference geometry.
Selling this bike? Create a shareable bike record
At a glance
- Model year
- 1998
- Category
- Road
- Original MSRP
- $3,099.00
- Sizes
- 56 cm
- Colors
- Black, Deep Purple, Kona Blue, Mango Yellow, Race Red, White
- Geometry
- Legacy reference
- In this record
- 27 specifications · archived image · original MSRP · geometry
- Archive ID
- 73171
Original buildCarbon fiber composite · Shimano Dura-Ace · 650c wheels
Frameset
| Frame Construction | Monocoque |
|---|---|
| Frame Material | Carbon fiber composite |
| Fork | Kestrel EMS |
| Fork Material | Carbon fiber composite, aero crown |
Drivetrain
| Component Group | Shimano Dura-Ace |
|---|---|
| Shifters | Shimano Dura-Ace bar-end |
| Front Derailleur | Shimano Dura-Ace, braze-on |
| Rear Derailleur | Shimano Dura-Ace |
| Crankset | Syncros, 42/56 teeth |
| Bottom Bracket | Shimano BB-UN72, 112.5mm spindle |
| BB Shell Width | 68mm English |
| Rear Cogs | 9-speed, 11 - 23 teeth |
| Chain | Shimano CN-7700, 1/2 x 3/32" |
| Pedals | Not included |
Brakes
| Brakes | Dia-Compe BRS 200 SL brakes, Dia-Compe 188 TRI levers |
|---|
Cockpit & Contact Points
| Headset | 1" Stronglight A9 |
|---|---|
| Handlebar | Profile AirWings |
| Handlebar Extensions | Profile Split Second |
| Stem | Profile H20 |
| Saddle | Selle Italia Flite |
| Seatpost | American Classic, 27.2mm diameter |
Wheels & Tires
| Hubs | Shimano Dura-Ace |
|---|---|
| Rims | Mavic CXP 12, 28-hole |
| Spokes | Wheelsmith stainless steel, 2.0mm double-butted |
| Spoke Nipples | Alloy nipples |
| Front Tire | 650 x 20c Continental Grand Prix kevlar |
| Wheel Size | 650c 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 Use these as a historical reference, not for size-specific fit.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 | 570 mm |
| Head-tube angle | 72.75° |
| Seat-tube angle | 76° |
| Chainstay / rear center | 390 mm |
| Wheelbase | 1012 mm |
| Fork offset / rake | 34 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: 1998 Kestrel KM40 · Road race & triathlon · Published sizes: 56 cm
Frame and fork
Inspect the frame and fork →Archived: Frame: Monocoque · Fork: Kestrel EMS · Carbon fiber composite, aero crown
Drivetrain
Check drivetrain wear →Archived: Group: Shimano Dura-Ace · Shifters: Shimano Dura-Ace bar-end · Front derailleur: Shimano Dura-Ace, braze-on · Rear derailleur: Shimano Dura-Ace · Crankset: Syncros, 42/56 teeth · Bottom bracket: Shimano BB-UN72, 112.5mm spindle · Rear cogs: 9-speed, 11 - 23 teeth · Chain: Shimano CN-7700, 1/2 x 3/32"
Brakes
Inspect the brakes →Archived: Brakes: Dia-Compe BRS 200 SL brakes, Dia-Compe 188 TRI levers
Wheels and tires
Check wheels and tires →Archived: Wheel size: 650c wheels · Rims: Mavic CXP 12, 28-hole · Hubs: Shimano Dura-Ace · Front tire: 650 x 20c Continental Grand Prix kevlar
Controls and contact points
Archived: Headset: 1" Stronglight A9 · Handlebar: Profile AirWings · Stem: Profile H20 · Seatpost: American Classic, 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 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.
Specifications are presented as a reference. Components may vary by market, size, production run, or later manufacturer revisions.

