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1998 Otis Guy Purist Road (01)

Original specifications: Shimano 600 Ultegra drivetrain · 700c wheels · 19.8 lb published weight.

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At a glance

Model year
1998
Category
Road
Original MSRP
$2,245.00
Sizes
51 cm, 53 cm, 55 cm, 56.5 cm, 58 cm, 60.5 cm, 63 cm
Colors
Black, Custom, Dark Blue, Forest Green, Orange, Red, White
Weight
19.8 lb
Geometry
Legacy reference
In this record
26 specifications · original MSRP · geometry
Archive ID
76574
Original buildDedacciai 18MCDV6/Richey WCS Prestige · Shimano 600 Ultegra · 700c wheels

Manufacturer catalog

Published sizes and colors

7 sizes · 7 colors

Manufacturer-published sizes and colors; availability and exact size/color pairings may vary by market or production run.

Published sizes

51 cm53 cm55 cm56.5 cm58 cm60.5 cm63 cm

Published colors

BlackCustomDark BlueForest GreenOrangeRed
+ 1 more color + 3 more colors
OrangeRedWhite

Frameset

Frame ConstructionBrazed/welded
Frame MaterialDedacciai 18MCDV6/Richey WCS Prestige
ForkTange Silhouette
Fork MaterialTange chromoly, unicrown crown

Drivetrain

Component GroupShimano 600 Ultegra
ShiftersShimano 600 Ultegra STI Dual Control
Front DerailleurShimano 600 Ultegra, bottom-pull/braze-on
Rear DerailleurShimano 600 Ultegra GS
CranksetShimano 600 Ultegra, 30/42/52 teeth
Bottom BracketShimano BB-6500
BB Shell Width68mm English
Rear Cogs9-speed, 12 - 23 teeth
ChainShimano CN-HG90, 1/2 x 3/32"
PedalsNot included

Brakes

BrakesShimano 600 Ultegra Dual Pivot brakes, Shimano 600 Ultegra levers

Cockpit & Contact Points

Headset1" Shimano 600 Ultegra
HandlebarTTT Forma 2
StemTTT Synthesis
SaddleSelle San Marco Strada, titanium rails
SeatpostAmerican Classic, 27.2mm diameter

Wheels & Tires

HubsShimano 600 Ultegra
RimsMavic Reflex SUP, 32-hole
SpokesWheelsmith stainless steel, 2.0mm double-butted
Spoke NipplesAlloy nipples
Front Tire700 x 23c Continental Grand Prix
Wheel Size700c wheels

Geometry

Legacy reference · 5 measurements

Model-level measurements; the frame size was not recorded. Use these as a historical reference, not for size-specific fit.

All geometry measurementsLegacy reference · 5 measurements
MeasurementLegacy reference
Top tube555 mm
Head-tube angle73.5°
Seat-tube angle73.5°
Chainstay / rear center400 mm
Fork offset / rake40 mm

The preserved source contains one model-level geometry set without an identified frame size.

Gearing

Chainring ÷ rear sprocket

Lower ratios provide more mechanical advantage for climbing. Higher ratios turn the rear wheel farther with each crank revolution.

RPM
Theoretical speed from published tire dimensions; see the evidence note below.
Published build52/42/30T · 12–23T · 9-speed
Lowest1.30:1 Highest4.33:1 Total range332%
Estimated speed Lowest gear9.2 mph Highest gear30.5 mph

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.

Bike-specific inspection checklist 19 checks based on 5 archived component groups Open checklistClose checklist
0 of 19 checked Progress stays in this browser for this bike.

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.

Archived: 1998 Otis Guy Purist Road (01) · Road race & triathlon · Published sizes: 51 cm, 53 cm, 55 cm, 56.5 cm, 58 cm, 60.5 cm, 63 cm

Archived: Frame: Brazed/welded · Fork: Tange Silhouette · Tange chromoly, unicrown crown

Archived: Group: Shimano 600 Ultegra · Shifters: Shimano 600 Ultegra STI Dual Control · Front derailleur: Shimano 600 Ultegra, bottom-pull/braze-on · Rear derailleur: Shimano 600 Ultegra GS · Crankset: Shimano 600 Ultegra, 30/42/52 teeth · Bottom bracket: Shimano BB-6500 · Rear cogs: 9-speed, 12 - 23 teeth · Chain: Shimano CN-HG90, 1/2 x 3/32"

Archived: Brakes: Shimano 600 Ultegra Dual Pivot brakes, Shimano 600 Ultegra levers

Archived: Wheel size: 700c wheels · Rims: Mavic Reflex SUP, 32-hole · Hubs: Shimano 600 Ultegra · Front tire: 700 x 23c Continental Grand Prix

Controls and contact points

Archived: Headset: 1" Shimano 600 Ultegra · Handlebar: TTT Forma 2 · Stem: TTT Synthesis · Seatpost: American Classic, 27.2mm diameter · Saddle: Selle San Marco Strada, titanium rails · Pedals: Not included

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Specifications are presented as a reference. Components may vary by market, size, production run, or later manufacturer revisions.

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