Velopedia Bicycle Archive

2003 Jamis Eureka

Original specifications: Shimano Deore · 9-speed · mechanical rear derailleur · 26" wheels · 28.75 lb published weight.

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At a glance

Archive #30352
Model year
2003
Category
Mountain
Sizes
12", 14", 17", 19", 21"
Colors
Primal Grey
Weight
28.75 lb
Geometry
Legacy reference
In this record
27 specifications · archived image · geometry
Model history 9 other years

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Identification clues

2003 archived details

Published colors
Primal Grey
Frame
7005 aluminum
Original equipment
Mountain Mix

Clues, not proof of model year. Colors vary and components may have been replaced.

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Original build7005 aluminum · Mountain Mix · 26" wheels

Manufacturer catalog

Published sizes and colors

5 sizes · 1 color

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

Published sizes

12"14"17"19"21"

Published colors

Primal Grey

Frameset

Frame ConstructionTIG-welded
Frame Material7005 aluminum
ForkMarzocchi DJ 2, 130mm travel
Fork MaterialAluminum/magnesium, single crown

Drivetrain

Component GroupMountain Mix
ShiftersShimano Deore RapidFire SL
Front DerailleurShimano Deore, top-pull/clamp-on 31.8mm
Rear DerailleurShimano Deore SGS
CranksetTruVativ Hussefelt, 22/32/44 teeth
Bottom BracketTruVativ ISIS DH, 113mm spindle
BB Shell Width68mm English
Rear Cogs9-speed, 11 - 32 teeth
ChainShimano CN-HG72, 1/2 x 3/32"
PedalsWellgo dual function w/alloy cage

Brakes

BrakesHayes HMX-1 Mechanical Disc brakes, Hayes HML-1 Mechanical Disc levers

Cockpit & Contact Points

Headset1 1/8" threadless Dia-Compe SAS
HandlebarRitchey Rizer Comp 31.8mm
Handlebar ExtensionsNot included
StemTruVativ Hussefelt
SaddleWTB Laser V Comp
SeatpostKoski SportPost, 27.2mm diameter

Wheels & Tires

HubsShimano Deore disc
RimsMavic X139, 32-hole
SpokesWTB stainless steel, 14ga. (2.0mm) straight gauge
Spoke NipplesBrass nipples
Front Tire26 x 2.30" Hutchinson Scorpion
Wheel Size26" wheels

Geometry

Legacy reference · 6 measurements

Historical measurements. Frame size unknown.

All geometry measurementsLegacy reference · 6 measurements
MeasurementLegacy reference
Top tube591 mm
Head-tube angle71°
Seat-tube angle73.5°
Chainstay / rear center425 mm
Wheelbase1071 mm
Fork offset / rake38.1 mm

Frame size not recorded.

Gearing

Lower gears help on climbs. Higher gears suit higher speeds.

RPM

RPM = pedal turns per minute.

All published sizes44/32/22T · 11–32T · 9-speed
Lowest0.69:1 Highest4.00:1 Total range582%
Estimated speed At 90 RPM Lowest gear4.9 mph Highest gear28.5 mph

Uses front tire 26×2.3; rear size isn’t listed.

How it works

Ratio = front teeth ÷ rear teeth. Hub gears also include the hub’s internal ratio. A 400% range means the highest ratio is four times the lowest.

Speeds are estimates from tire size and pedal cadence. Actual speeds vary.

Try other gearing

Try your current gearingChanged tires or gears? Calculate your setup.

Your changes apply to this calculation. The archived build stays unchanged.

Your gearing setup
Gears

Use up to three front tooth counts, separated by /. For one rear sprocket, enter the same count twice.

Rear tire

Apply the marking on your rear tire or edit its dimensions below. Older or fractional inch sizes need the ISO marking (e.g. 37-590).

For 32-622, width is 32 mm and rim diameter is 622 mm. Use the rear tire on mixed-wheel bikes. Leave both fields empty to compare ratios only.

Gear, dimension and cadence changes update results automatically.

Speeds are estimates. These calculations do not establish component compatibility or available tire clearance.

Parts & serviceability

Find replacement parts

Original specifications
Seatpost · Original
Koski SportPost

27.2mm diameter

Retailer offers
Chain · Original
Shimano CN-HG72

1/2 x 3/32"

Front tire · Original
26 x 2.30" Hutchinson Scorpion
More parts (7)Fewer parts
Pedals · Original
Wellgo dual function w/alloy cage
Saddle · Original
WTB Laser V Comp
Rear derailleur · Original
Shimano Deore SGS
Shifters · Original
Shimano Deore RapidFire SL
Handlebar · Original
Ritchey Rizer Comp 31.8mm
Rims · Original
Mavic X139

32-hole

Hubs · Original
Shimano Deore disc

Based on the original build. Check fit and installed parts before ordering. Affiliate links may earn Velopedia a commission. As an Amazon Associate I earn from qualifying purchases.

Parts and service referenceQuick reference before buying parts

Archived specifications for reference. Check the fitted parts before ordering.

Front tire
26 x 2.30" Hutchinson Scorpion
Drivetrain
9-speed
Seatpost diameter
27.2 mm
Bottom bracket / shell
TruVativ ISIS DH, 113mm spindle · 68mm English
Equipment inspection checks 11 checks based on 6 archived component groups Open equipment checksClose equipment checks
0 of 11 checked Progress stays in this browser for this record.

Checks selected from the archived equipment. Confirm what is fitted today. This is not a complete safety inspection; use the full inspection guide before test riding.

Full used-bike inspection guide →

Archived: Frame: TIG-welded · Fork: Marzocchi DJ 2, 130mm travel · Aluminum/magnesium, single crown

Archived: Fork: Marzocchi DJ 2, 130mm travel

Archived: Group: Mountain Mix · Shifters: Shimano Deore RapidFire SL · Front derailleur: Shimano Deore, top-pull/clamp-on 31.8mm · Rear derailleur: Shimano Deore SGS · Crankset: TruVativ Hussefelt, 22/32/44 teeth · Bottom bracket: TruVativ ISIS DH, 113mm spindle · Rear cogs: 9-speed, 11 - 32 teeth · Chain: Shimano CN-HG72, 1/2 x 3/32"

Archived: Brakes: Hayes HMX-1 Mechanical Disc brakes, Hayes HML-1 Mechanical Disc levers

Archived: Wheel size: 26" wheels · Rims: Mavic X139, 32-hole · Hubs: Shimano Deore disc · Front tire: 26 x 2.30" Hutchinson Scorpion

Controls and contact points

Archived: Headset: 1 1/8" threadless Dia-Compe SAS · Handlebar: Ritchey Rizer Comp 31.8mm · Stem: TruVativ Hussefelt · Seatpost: Koski SportPost, 27.2mm diameter · Saddle: WTB Laser V Comp · Pedals: Wellgo dual function w/alloy cage

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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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