Velopedia Bicycle Archive

1995 Norco Jammer SP

Original specifications: Shimano Tourney TY-20 drivetrain · 24" wheels.

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At a glance

Model year
1995
Category
Kids
Original MSRP
$309.00
Sizes
Boys 13.5"
Colors
Laser green
In this record
21 specifications · original MSRP
Archive ID
31034
Original buildHi-tensile steel · Shimano Tourney TY-20 · 24" wheels

Manufacturer catalog

Published sizes and colors

1 size · 1 color

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

Published sizes

Boys 13.5"

Published colors

Laser green

Frameset

Frame ConstructionTIG-welded steel
Frame MaterialHi-tensile steel
ForkX-Cel

Drivetrain

Component GroupShimano Tourney TY-20
ShiftersGrip Shift SRT-200
Front DerailleurShimano Tourney TY-25, bottom-pull
Rear DerailleurShimano Tourney TY20
CranksetJM-105 steel, 28/36/44 teeth
Rear Cogs6-speed, 14 - 28 teeth
ChainShimano CN-UG50, 1/2 x 3/32"
PedalsResin

Brakes

BrakesChang Star 876S brakes, Chang Star MTB levers

Cockpit & Contact Points

Headset1" YST 662
Handlebar ExtensionsNot included
SaddleVelo
Seatpost25.4 mm diameter

Wheels & Tires

HubsKing Kong 170
RimsFemco , 36-hole
Front Tire24 x 2.10" Kenda
Rear Tire24 x 1.95" Kenda
Wheel Size24" wheels

Gearing

Chainring ÷ rear sprocket

Lower ratios provide more mechanical advantage for climbing. Higher ratios turn the rear wheel farther with each crank revolution.

Published build44/36/28T · 14–28T · 6-speed
Lowest1.00:1 Highest3.14:1 Total range314%

Speed estimates require verified rear tire dimensions. Gear ratios are shown without assuming a tire size.

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Parts & serviceability

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Original specifications
Chain · Original
Shimano CN-UG50, 1/2 x 3/32"

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

Bike-specific inspection checklist 19 checks based on 5 archived component groups Open checklistClose checklist
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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: 1995 Norco Jammer SP · Juvenile mountain bike, suspension · Published sizes: Boys 13.5"

Archived: Frame: TIG-welded steel · Fork: X-Cel

Archived: Group: Shimano Tourney TY-20 · Shifters: Grip Shift SRT-200 · Front derailleur: Shimano Tourney TY-25, bottom-pull · Rear derailleur: Shimano Tourney TY20 · Crankset: JM-105 steel, 28/36/44 teeth · Rear cogs: 6-speed, 14 - 28 teeth · Chain: Shimano CN-UG50, 1/2 x 3/32"

Archived: Brakes: Chang Star 876S brakes, Chang Star MTB levers

Archived: Wheel size: 24" wheels · Rims: Femco , 36-hole · Hubs: King Kong 170 · Front tire: Front: 24 x 2.10" Kenda, Rear: 24 x 1.95" Kenda

Controls and contact points

Archived: Headset: 1" YST 662 · Seatpost: 25.4 mm diameter · Saddle: Velo · Pedals: Resin

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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