Velopedia Bicycle Archive
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Compare published geometry, gearing and specifications for up to three bicycles.
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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 2005 Jamis Boss Cruiser and 1999 Jamis Boss Cruiser.
- Gearing
1999 Jamis Boss Cruiser has a 14% lower climbing ratio than 2005 Jamis Boss Cruiser.
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.
Ratio2.44:1
Estimated speed at 90 RPMGear
Uses front tire 26×2.125; rear size isn’t listed.
Ratio2.10:1
Estimated speed at 90 RPMGear
Uses front tire 26×2.125; 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.
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
2005 Jamis Boss Cruiser
1999 Jamis Boss Cruiser
Overview
Model Year
2005
1999
Brand
Jamis
Jamis
Model
Boss Cruiser
Boss Cruiser
Bicycle Type
Cruiser
Cruiser
Original MSRP
$249.95
$219.95
Colors
Black, Blue, Pink, Polished, Red, Silver, Teal
Metallic Black, Metallic Saffron, Starbeam Blue, Starbeam Green, Starbeam Magenta, Starbeam Red
Sizes
19", 21", 23", 25", womens 17.5", womens 19"
19", 21", 23", 25", womens 17.5", womens 19"
Weight
—
—
Frameset
Frame Construction
TIG-welded
TIG-welded
Frame Material
7005 aluminum
Hi-tensile steel
Fork
Jamis
—
Fork Material
High-tensile steel, unicrown crown
Hi-tensile steel, unicrown crown
Drivetrain
Component Group
—
Cruiser Mix
Crankset
Aluminum, 44 teeth
1-piece 6 1/2", 44 teeth
Bottom Bracket
Sealed
One piece
BB Shell Width
68mm American
American
Rear Cogs
1-speed, 18 teeth
1-speed, 21 teeth
Chain
KMC Z51, 1/2 x 3/32"
KMC 410, 1/2 x 1/8"
Pedals
Wellgo Cruiser
Jamis Sand Jam
Brakes
Brakes
Shimano coaster rear
Coaster rear
Cockpit & Contact Points
Headset
1 1/8" threadless steel
1" Victor
Handlebar
Steel, cruiser
Steel, rise
Stem
Aluminum, adjustable
Alloy 4 bolt
Saddle
Jamis Cheeks
Jamis cruiser
Seatpost
Aluminum pillar, 27.2mm diameter
Pillar, steel, 25.4mm diameter
Wheels & Tires
Hubs
Front: aluminum, nutted, Rear: Shimano coaster
Front: steel, nutted, Rear: coaster brake
Rims
Alex ALX 303, 36-hole
Sun Rims Z-25, 36-hole
Spokes
Stainless steel, 14ga. (2.0mm) straight gauge
Stainless steel, 2.0mm straight gauge
Spoke Nipples
Brass nipples
Brass nipples
Front Tire
26 x 2.125" Kenda Kruiser
26 x 2.125" Jamis Sand Jam
Wheel Size
26" wheels
26" wheels
Historical specifications are presented as an archival reference. Components may have varied by market, size, or production run.