Velopedia Bicycle Archive

Compare Bicycles

Compare published geometry, gearing and specifications for up to three bicycles.

Frame: Hi-tensile steel, oversize
Fork: Jamis

Kids · Non-electric

2000 Jamis Bossy 20

Selected size: Not published
Original MSRP: $150.00

View record

Kids · Non-electric

1999 Jamis Bossy 20

Selected size: Not published
Original MSRP: $139.95

View record

1 of 2 bicycles

At a glance

Key differences

Supported differences are shown below. Data limitations are labeled separately.

Data limitation
No geometry is recorded for 2000 Jamis Bossy 20 and 1999 Jamis Bossy 20.

Gearing comparison

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

Pedal cadence

RPM

Speed units

RPM = pedal turns per minute.

2000 Jamis Bossy 2036T · 18T · 1-speed

Ratio2.00:1

Estimated speed at 90 RPMGear10.8 mph

Uses front tire 20×2.125; rear size isn’t listed.

1999 Jamis Bossy 2036T · 18T · 1-speed

Ratio2.00:1

Estimated speed at 90 RPMGear10.8 mph

Uses front tire 20×2.125; 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

Complete specification tableShows different published values and gaps where a bicycle lacks data. Different wording reflects source language, not necessarily different components. Swipe for more columns.

Specification

2000 Jamis Bossy 20

1999 Jamis Bossy 20

Overview

Model Year

2000

1999

Brand

Jamis

Model

Bossy 20

Bicycle Type

Juvenile

Original MSRP

$150.00

$139.95

Colors

Metallis Periwinkle, Rose Pedal Pink

Grape Purple, Pearl Aqua

Sizes

Girls 11"

—

Weight

—

Frameset

Frame Construction

Pulse-welded

TIG-welded

Frame Material

Hi-tensile steel, oversize

Hi-tensile steel

Fork

Jamis

—

Fork Material

Hi-tensile steel, unicrown crown

Drivetrain

Component Group

—

Juvenile Mix

Crankset

1-piece 5 1/2", 36 teeth

Bottom Bracket

One piece

BB Shell Width

American

Rear Cogs

1-speed, 18 teeth

Chain

KMC 410, 1/2 x 1/8"

Pedals

Wellgo resin

Union

Brakes

—

Coaster rear

Cockpit & Contact Points

Headset

1" steel

Handlebar

Jamis Cruiser

Jamis cruiser

Stem

Alloy 4 bolt

Saddle

Jamis Bossy Cruiser

Jamis cruiser

Seatpost

Alloy, 25.4mm diameter

Pillar, aluminum, 25.4mm diameter

Wheels & Tires

Hubs

Front: aluminum, nutted, Rear: Shimano Coaster Brake

Front: steel, nutted, Rear: coaster brake

Rims

Weinmann 4019, 36-hole

Spokes

Stainless steel, 2.0mm straight gauge

Spoke Nipples

Brass nipples

Front Tire

20 x 2.125" Jamis Bossy Streat Tread

20 x 2.125" CST C-640

Wheel Size

20" wheels

Historical specifications are presented as an archival reference. Components may have varied by market, size, or production run.

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