Bicycle Archive · Specification report

Bicycle comparison

1999 Jamis Bossy 20 · 2000 Jamis Bossy 20

Specification	1999 Jamis Bossy 20	2000 Jamis Bossy 20
Overview
Model year	1999	2000
Brand	Jamis	Jamis
Model	Bossy 20	Bossy 20
Bicycle type	Juvenile	Juvenile
Archive ID	88105	90164
Original MSRP	$139.95	$150.00
Colors	Grape Purple, Pearl Aqua	Metallis Periwinkle, Rose Pedal Pink
Sizes	—	Girls 11"
Frameset
Frame construction	TIG-welded	Pulse-welded
Frame material	Hi-tensile steel	Hi-tensile steel, oversize
Fork	—	Jamis
Fork material	Hi-tensile steel, unicrown crown	Hi-tensile steel, unicrown crown
Rear shock	N/A	N/A
Drivetrain
Component group	Juvenile Mix	N/A
Shifters	N/A	N/A
Front derailleur	N/A	N/A
Rear derailleur	N/A	N/A
Crankset	1-piece 5 1/2", 36 teeth	1-piece 5 1/2", 36 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	Union	Wellgo resin
Brakes
Brakes	Coaster rear	N/A
Cockpit & contact points
Headset	1" steel	1" steel
Handlebar	Jamis cruiser	Jamis Cruiser
Handlebar extensions	N/A	N/A
Stem	Alloy 4 bolt	Alloy 4 bolt
Saddle	Jamis cruiser	Jamis Bossy Cruiser
Seatpost	Pillar, aluminum, 25.4mm diameter	Alloy, 25.4mm diameter
Wheels & tires
Hubs	Front: steel, nutted, Rear: coaster brake	Front: aluminum, nutted, Rear: Shimano Coaster Brake
Rims	Weinmann 4019, 36-hole	Weinmann 4019, 36-hole
Spokes	Stainless steel, 2.0mm straight gauge	Stainless steel, 2.0mm straight gauge
Spoke nipples	Brass nipples	Brass nipples
Front tire	20 x 2.125" CST C-640	20 x 2.125" Jamis Bossy Streat Tread
Wheel size	20" wheels	20" wheels

Manufacturer-published archive data. Confirm exact standards and dimensions before ordering parts or performing service. Generated by Velopedia on November 12, 2026.