Velopedia Bicycle Archive

1997 KHS T-Rex

Original specifications: Shimano Tourney TY-22 drivetrain · 24" wheels · 28 lb published weight.

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At a glance

Archive #69105
Model year
1997
Category
Kids
Original MSRP
$219.00
Sizes
Boys 12", girls 12"
Colors
Black, Wild Berry
Weight
28 lb
Geometry
Legacy reference
In this record
26 specifications · archived image · original MSRP · geometry
Model history 11 other years

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Identification clues

1997 archived details

Published colors
Black, Wild Berry
Frame
Chromoly/hi-tensile steel
Original equipment
Shimano Tourney TY-22

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

Campaign
Original buildChromoly/hi-tensile steel · Shimano Tourney TY-22 · 24" wheels

Manufacturer catalog

Published sizes and colors

2 sizes · 2 colors

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

Published sizes

Boys 12"girls 12"

Published colors

BlackWild Berry

Frameset

Frame ConstructionTIG-welded
Frame MaterialChromoly/hi-tensile steel
ForkKhs
Fork MaterialHi-tensile steel, unicrown crown

Drivetrain

Component GroupShimano Tourney TY-22
ShiftersGrip Shift MRX-170
Front DerailleurShimano Tourney TY-22 top-swing, top-pull/clamp-on 31.8 mm
Rear DerailleurShimano Tourney TY-22
CranksetTracer MA-3i, 28/38/48 teeth
Bottom BracketVictor VPB-33
BB Shell Width68mm English
Rear Cogs6-speed, 14 - 28 teeth
ChainShimano CN-UG50, 1/2 x 3/32"
PedalsResin

Brakes

BrakesChang Star 865A brakes, Chang Star 262P levers

Cockpit & Contact Points

Headset1" steel
HandlebarSteel
StemSteel
SaddleVelo VL-244
SeatpostSteel, 25.6 mm diameter

Wheels & Tires

HubsSteel, nutted
RimsAluminum, 36-hole
SpokesShuhn Lih steel, 2.0mm straight gauge
Spoke NipplesBrass nipples
Front Tire24 x 2.00" Duro HF-822
Wheel Size24" wheels

Geometry

Legacy reference · 6 measurements

Historical measurements. Frame size unknown.

All geometry measurementsLegacy reference · 6 measurements
MeasurementLegacy reference
Top tube482 mm
Head-tube angle70°
Seat-tube angle70°
Chainstay / rear center424 mm
Wheelbase987 mm
Fork offset / rake50 mm

Frame size not recorded.

Gearing

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

RPM

RPM = pedal turns per minute.

Published build48/38/28T · 14–28T · 6-speed
Lowest1.00:1 Highest3.43:1 Total range343%
Estimated speed At 90 RPM Lowest gear6.4 mph Highest gear22.0 mph

Uses front tire 24×2; 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.

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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
Chain · Original
Shimano CN-UG50

1/2 x 3/32"

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Front tire · Original
24 x 2.00" Duro HF-822 Replacement search: 24x2 bicycle tire Before ordering: Check rim type and tire clearance.
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Rear derailleur · Original
Shimano Tourney TY-22
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More parts (1)Fewer parts
Seatpost · Original
Steel

25.6 mm diameter

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Parts and service referenceQuick reference before buying parts

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

Front tire
24 x 2.00" Duro HF-822
Drivetrain
6-speed
Seatpost diameter
25.6 mm
Bottom bracket / shell
Victor VPB-33 · 68mm English
Campaign
Equipment inspection checks 10 checks based on 5 archived component groups Open equipment checksClose equipment checks
0 of 10 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 →

Frame and fork

Inspect the frame and fork →

Archived: Frame: TIG-welded · Fork: KHS · Hi-tensile steel, unicrown crown

Drivetrain

Check drivetrain wear →

Archived: Group: Shimano Tourney TY-22 · Shifters: Grip Shift MRX-170 · Front derailleur: Shimano Tourney TY-22 top-swing, top-pull/clamp-on 31.8 mm · Rear derailleur: Shimano Tourney TY-22 · Crankset: Tracer MA-3i, 28/38/48 teeth · Bottom bracket: Victor VPB-33 · Rear cogs: 6-speed, 14 - 28 teeth · Chain: Shimano CN-UG50, 1/2 x 3/32"

Brakes

Inspect the brakes →

Archived: Brakes: Chang Star 865A brakes, Chang Star 262P levers

Wheels and tires

Check wheels and tires →

Archived: Wheel size: 24" wheels · Rims: Aluminum, 36-hole · Hubs: Steel, nutted · Front tire: 24 x 2.00" Duro HF-822

Controls and contact points

Archived: Headset: 1" steel · Handlebar: Steel · Stem: Steel · Seatpost: Steel, 25.6 mm diameter · Saddle: Velo VL-244 · Pedals: Resin

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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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