Velopedia Bicycle Archive

2002 KHS T-Rex

Original specifications: Shimano Tourney · 7-speed · mechanical rear derailleur · 24" wheels · 29.5 lb published weight.

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At a glance

Archive #37998
Model year
2002
Category
Kids
Original MSRP
$199.00
Sizes
Boys, girls
Colors
Red, Yellow
Weight
29.5 lb
In this record
26 specifications · archived image · original MSRP
Model history 11 other years

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Identification clues

2002 archived details

Published colors
Red, Yellow
Frame
Chromoly seat tube/hi-tensile steel
Original equipment
Juvenile Mix

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

Campaign
Original buildChromoly seat tube/hi-tensile steel · Juvenile Mix · 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

Boysgirls

Published colors

RedYellow

Frameset

Frame ConstructionTIG-welded
Frame MaterialChromoly seat tube/hi-tensile steel
ForkCH-280
Fork MaterialAluminum/steel, single triple-clamp crown

Drivetrain

Component GroupJuvenile Mix
ShiftersSRAM MRX
Front DerailleurShimano Tourney TY-22, bottom-pull/clamp-on
Rear DerailleurShimano Tourney TY-22
CranksetSuntour XR-128, 28/38/48 teeth
Bottom BracketVictor VP-B33
Rear Cogs7-speed, 14 - 28 teeth
ChainKMC Z-51, 1/2 x 3/32"
PedalsPlatform, resin

Brakes

BrakesAluminum linear-pull brakes, aluminum linear-pull levers

Cockpit & Contact Points

Headset1" steel
HandlebarSteel
Handlebar ExtensionsNot included
StemSteel
SaddleKHS Padded
SeatpostAluminum

Wheels & Tires

HubsAluminum, Q/R
RimsAluminum, 32-hole
SpokesUCP, 14ga. (2.0mm) straight gauge
Spoke NipplesBrass nipples
Front Tire24 x 1.95" KHS Dirt Slick
Wheel Size24" wheels

Gearing

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

RPM

RPM = pedal turns per minute.

Published build48/38/28T · 14–28T · 7-speed
Lowest1.00:1 Highest3.43:1 Total range343%
Estimated speed At 90 RPM Lowest gear6.4 mph Highest gear21.9 mph

Uses front tire 24×1.95; 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.

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

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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
KMC Z-51

1/2 x 3/32"

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Front tire · Original
24 x 1.95" KHS Dirt Slick Replacement search: 24x1.95 bicycle tire Before ordering: Check rim type and tire clearance.
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Brake pads · Original
Aluminum linear-pull brakes

aluminum linear-pull levers

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More parts (1)Fewer parts
Rear derailleur · Original
Shimano Tourney TY-22
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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 1.95" KHS Dirt Slick
Drivetrain
7-speed
Bottom bracket / shell
Victor VP-B33
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: CH-280 · Aluminum/steel, single triple-clamp crown

Drivetrain

Check drivetrain wear →

Archived: Group: Juvenile Mix · Shifters: SRAM MRX · Front derailleur: Shimano Tourney TY-22, bottom-pull/clamp-on · Rear derailleur: Shimano Tourney TY-22 · Crankset: Suntour XR-128, 28/38/48 teeth · Bottom bracket: Victor VP-B33 · Rear cogs: 7-speed, 14 - 28 teeth · Chain: KMC Z-51, 1/2 x 3/32"

Brakes

Inspect the brakes →

Archived: Brakes: Aluminum linear-pull brakes, aluminum linear-pull levers

Wheels and tires

Check wheels and tires →

Archived: Wheel size: 24" wheels · Rims: Aluminum, 32-hole · Hubs: Aluminum, Q/R · Front tire: 24 x 1.95" KHS Dirt Slick

Controls and contact points

Archived: Headset: 1" steel · Handlebar: Steel · Stem: Steel · Seatpost: Aluminum · Saddle: KHS Padded · Pedals: Platform, resin

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Campaign

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

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