Velopedia Bicycle Archive

1993 Diamondback Ascent EX

Original specifications: Shimano Exage ES/LT Rapidfire Plus drivetrain · 26" wheels · legacy reference geometry.

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At a glance

Model year
1993
Category
Mountain
Original MSRP
$600.00
Sizes
14, 16, 18, 20, 22
Geometry
Legacy reference
In this record
20 specifications · original MSRP · geometry
Archive ID
40888
Model history 1 other year
Original buildTrue Temper AVR DB chrome-moly · Shimano Exage ES/LT Rapidfire Plus · 26" wheels

Manufacturer catalog

Published sizes and colors

5 sizes

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

Published sizes

1416182022

Frameset

Frame ConstructionTIG-welded steel
Frame MaterialTrue Temper AVR DB chrome-moly
ForkDiamond Back chrome-moly taper gauge

Drivetrain

Component GroupShimano Exage ES/LT Rapidfire Plus
ShiftersShimano Exage ES Rapidfire Plus
Front DerailleurShimano Exage LT
Rear DerailleurShimano Exage ES
CranksetShimano Exage ES, 26/36/46 teeth
Rear Cogs7-speed, 12 - 28 teeth
ChainDID Super Lanner
PedalsVictor 955A w/clips & straps

Brakes

BrakesShimano Exage LT brakes, levers

Cockpit & Contact Points

HandlebarAvenir Alloy
StemZoom Sport
SaddleAvenir Gel Comp
SeatpostAvenir Alloy micro-adjust

Wheels & Tires

HubsShimano alloy
RimsAraya CV-7, 32-hole
Front Tire26 x 1.95" Tioga Psycho II
Wheel Size26" wheels

Geometry

Legacy reference · 6 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 Use these as a historical reference, not for size-specific fit.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 · 6 measurements
MeasurementLegacy reference
Top tube579.1 mm
Head-tube angle71°
Seat-tube angle71°
Chainstay / rear center424.2 mm
Wheelbase1077 mm
Fork offset / rake45.7 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.

Published build46/36/26T · 12–28T · 7-speed
Lowest0.93:1 Highest3.83:1 Total range413%
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Parts & serviceability

Find replacement parts

Original specifications
Crankset · Original
Shimano Exage ES, 26/36/46 teeth
Front derailleur · Original
Shimano Exage LT Search: Shimano Exage 7-speed mechanical front derailleur
Rear derailleur · Original
Shimano Exage ES Search: Shimano Exage 7-speed mechanical rear derailleur
More parts (1)
Shifters · Original
Shimano Exage ES Rapidfire Plus Search: Shimano Exage 7-speed mechanical shifter

Based on the original build. Confirm the model, size and fit before ordering; installed parts may differ. Velopedia may earn from qualifying eBay purchases.

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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: 1993 Diamondback Ascent EX · Mountain bike, non-suspension · Published sizes: 14, 16, 18, 20, 22

Archived: Frame: TIG-welded steel · Fork: Diamond Back chrome-moly taper gauge

Archived: Group: Shimano Exage ES/LT Rapidfire Plus · Shifters: Shimano Exage ES Rapidfire Plus · Front derailleur: Shimano Exage LT · Rear derailleur: Shimano Exage ES · Crankset: Shimano Exage ES, 26/36/46 teeth · Rear cogs: 7-speed, 12 - 28 teeth · Chain: DID Super Lanner

Archived: Brakes: Shimano Exage LT brakes, levers

Archived: Wheel size: 26" wheels · Rims: Araya CV-7, 32-hole · Hubs: Shimano alloy · Front tire: 26 x 1.95" Tioga Psycho II

Controls and contact points

Archived: Handlebar: Avenir Alloy · Stem: Zoom Sport · Seatpost: Avenir Alloy micro-adjust · Saddle: Avenir Gel Comp · Pedals: Victor 955A w/clips & straps

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.

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