Velopedia Bicycle Archive

Compare Bicycles

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

1 of 2 bicycles

At a glance

Key differences

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

  1. Data limitation

    No geometry is recorded for 2000 Jamis Bossy 16 and 1999 Jamis Bossy 16.

  2. Gearing

    1999 Jamis Bossy 16 has a 11% lower climbing ratio than 2000 Jamis Bossy 16.

    A lower ratio gives more mechanical advantage; rear-wheel rollout determines distance per crank turn.

Gearing comparison

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

RPM

RPM = pedal turns per minute.

2000 Jamis Bossy 1636T · 18T · 1-speed
Ratio2.00:1
Estimated speed at 90 RPMGear8.7 mph

Uses front tire 16×2.125; rear size isn’t listed.

1999 Jamis Bossy 1632T · 18T · 1-speed
Ratio1.78:1
Estimated speed at 90 RPMGear7.4 mph

Uses front tire 16×1.75; 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.
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Specification
2000 Jamis Bossy 16
1999 Jamis Bossy 16
Overview
Model Year
2000
1999
Brand
Jamis
Jamis
Model
Bossy 16
Bossy 16
Bicycle Type
Juvenile
Juvenile
Original MSRP
$150.00
$129.95
Colors
Metallis Periwinkle, Rose Pedal Pink
Grape Purple, Pearl Aqua
Sizes
Girls 9"
—
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
Hi-tensile steel, unicrown crown
Drivetrain
Component Group
—
Juvenile Mix
Crankset
1-piece 5 1/2", 36 teeth
1-piece 4 1/2", 32 teeth
Bottom Bracket
One piece
One piece
BB Shell Width
American
American
Rear Cogs
1-speed, 18 teeth
1-speed, 18 teeth
Chain
KMC 410, 1/2 x 1/8"
KMC 410, 1/2 x 1/8"
Pedals
Wellgo resin
Union
Brakes
Brakes
—
Coaster rear
Cockpit & Contact Points
Headset
1" steel
1" steel
Handlebar
Jamis Cruiser
Jamis cruiser
Stem
Alloy 4 bolt
Alloy 4 bolt
Saddle
Jamis Bossy Cruiser
Jamis cruiser
Seatpost
Alloy, 25.4mm diameter
Pillar, steel, 25.4mm diameter
Wheels & Tires
Hubs
Front: aluminum, nutted, Rear: Shimano Coaster Brake
Front: steel, nutted, Rear: coaster brake
Rims
Weinmann 4019, 36-hole
Steel, 36-hole
Spokes
Stainless steel, 2.0mm straight gauge
Stainless steel, 2.0mm straight gauge
Spoke Nipples
Brass nipples
Brass nipples
Front Tire
16 x 2.125" Jamis Bossy Streat Tread
16 x 1.75" CST C-640
Wheel Size
16" wheels
16" wheels

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

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