Velopedia Bicycle Archive

1999 Jamis Cross Country

Original specifications: Mountain Mix drivetrain · 26" wheels · 29.75 lb published weight.

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At a glance

Archive #89742

Model year: 1999
Category: Mountain
Original MSRP: $279.95
Sizes: 14.5", 16", 17.5", 19.5", 21.5", womens 16", womens 19"
Colors: Crimson Red, Saffron (ladies), Starbeam Blue
Weight: 29.75 lb
Geometry: Legacy reference
In this record: 26 specifications · archived image · original MSRP · geometry

Model history 8 other years

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Identification clues

1999 archived details

Published colors: Crimson Red, Saffron (ladies), Starbeam Blue
Frame: Chromoly main triangle/hi-tensile steel rear stays
Original equipment: Mountain Mix

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

Original buildChromoly main triangle/hi-tensile steel rear stays · Mountain Mix · 26" wheels

Manufacturer catalog

Published sizes and colors

7 sizes · 3 colors

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

Published sizes

14.5"16"17.5"19.5"21.5"womens 16"womens 19"

Published colors

Crimson RedSaffron (ladies)Starbeam Blue

Frameset

Frame Construction	Pulse-welded
Frame Material	Chromoly main triangle/hi-tensile steel rear stays
Fork Material	Chromoly, unicrown crown

Drivetrain

Component Group	Mountain Mix
Shifters	Grip Shift MRX-200
Front Derailleur	Shimano AceraX top-swing, top-pull/clamp-on 28.6mm
Rear Derailleur	Shimano AceraX
Crankset	SR/Suntour XR17, 24/34/42 teeth
Bottom Bracket	Shimano BB-LP27, 110mm spindle
BB Shell Width	68mm English
Rear Cogs	7-speed, 11 - 28 teeth
Chain	KMC IG-31, 1/2 x 3/32"
Pedals	Wellgo LU-943

Brakes

Brakes	Tektro 823A linear-pull brakes, Tektro RBP-378A levers

Cockpit & Contact Points

Headset	1 1/8" Chin Haur CH-90
Handlebar	Steel, rise
Handlebar Extensions	Not included
Stem	Steel
Saddle	Velo VL-313
Seatpost	Polygon PM-780, 26.8mm diameter

Wheels & Tires

Hubs	Front: Formula FM 31, Rear: Formula FM 32
Rims	Sun Rims Z-19, 32-hole
Spokes	Shun Jiu stainless steel, 1.8mm straight gauge
Spoke Nipples	Brass nipples
Front Tire	26 x 1.95" Cheng Shin C-1212
Wheel Size	26" wheels

Geometry

Legacy reference · 5 measurements

Historical measurements. Frame size unknown.

All geometry measurementsLegacy reference · 5 measurements

Measurement	Legacy reference
Top tube	556 mm
Head-tube angle	71°
Seat-tube angle	73.5°
Chainstay / rear center	425 mm
Wheelbase	1055 mm

Frame size not recorded.

Gearing

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

Pedal cadence

RPM

Speed units

RPM = pedal turns per minute.

Published build42/34/24T · 11–28T · 7-speed

Lowest0.86:1 Highest3.82:1 Total range445%

Estimated speed At 90 RPM Lowest gear6.0 mph Highest gear26.5 mph

Uses front tire 26×1.95; 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.

Gears Drivetrain

Front teeth Smallest rear teeth Largest rear teeth

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

Rear tire

Rear tire marking

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).

Rim diameter (BSD, mm) Tire width (mm)

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.

Cadence (RPM) Speed units

Gear, dimension and cadence changes update results automatically.

Gearing comparison
Measure	Original	Your setup
Lowest ratio	—	—
Highest ratio	—	—
Total range	—	—
Lowest-gear speed	—	—
Highest-gear speed	—	—

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

Parts & serviceability

Find replacement parts

Original specifications

Front tire · Original

26 x 1.95" Cheng Shin C-1212 Replacement search: 26x1.95 bicycle tire Before ordering: Check rim type and tire clearance.

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Brake pads · Original

Tektro 823A linear-pull brakes

Tektro RBP-378A levers

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Bottom bracket · Original

Shimano BB-LP27

110mm spindle

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More parts (2)Fewer parts

Pedals · Original

Wellgo LU-943

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Seatpost · Original

Polygon PM-780

26.8mm diameter

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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 1.95" Cheng Shin C-1212
Drivetrain: 7-speed
Seatpost diameter: 26.8 mm
Bottom bracket / shell: Shimano BB-LP27, 110mm spindle · 68mm English

Equipment inspection checks 9 checks based on 5 archived component groups Open equipment checksClose equipment checks

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 →

Frame and fork

Inspect the frame and fork →

Archived: Frame: Pulse-welded · Fork: · Chromoly, unicrown crown

Check paint damage, vent holes and accessible internal surfaces for corrosion. Look for dents, bent tubes and cracking around welded or brazed joints.

Drivetrain

Check drivetrain wear →

Archived: Group: Mountain Mix · Shifters: Grip Shift MRX-200 · Front derailleur: Shimano AceraX top-swing, top-pull/clamp-on 28.6mm · Rear derailleur: Shimano AceraX · Crankset: SR/Suntour XR17, 24/34/42 teeth · Bottom bracket: Shimano BB-LP27, 110mm spindle · Rear cogs: 7-speed, 11 - 28 teeth · Chain: KMC IG-31, 1/2 x 3/32"

Shift through every available gear under light load. Hesitation, skipping or inconsistent indexing can reflect wear, damage, poor adjustment or mismatched replacement parts.
Measure chain wear with a compatible gauge and inspect chainring, cassette or freewheel teeth. A new chain does not rule out wear in the remaining drivetrain.
Turn the cranks slowly, feel for rough bearings and check for side-to-side play. Inspect crank arms, chainring bolts and pedal threads for looseness or damage.

Brakes

Inspect the brakes →

Archived: Brakes: Tektro 823A linear-pull brakes, Tektro RBP-378A levers

Inspect pads, cables and housings, then examine both rim braking surfaces for concavity, cracking or heavy wear. Confirm each caliper returns and centers correctly.

Wheels and tires

Check wheels and tires →

Archived: Wheel size: 26" wheels · Rims: Sun Rims Z-19, 32-hole · Hubs: Front: Formula FM 31, Rear: Formula FM 32 · Front tire: 26 x 1.95" Cheng Shin C-1212

Spin both wheels and watch for side-to-side and vertical movement. Check spoke tension, rim condition and hub play.
Inspect both tire casings for cuts, cracking, plugs, bulges or exposed threads and confirm the installed sizes are safe for the rims and available frame and fork clearance.

Controls and contact points

Archived: Headset: 1 1/8" Chin Haur CH-90 · Handlebar: Steel, rise · Stem: Steel · Seatpost: Polygon PM-780, 26.8mm diameter · Saddle: Velo VL-313 · Pedals: Wellgo LU-943

Apply the front brake and rock the bike to check for headset play or notchiness. Inspect the stem, handlebar and clamp zones, then confirm every fastener and control is secure.
Check that the seatpost moves for adjustment and that the saddle, post and clamp hold securely without cracks, severe corrosion or damaged hardware.

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

1999 Jamis Cross Country