Velopedia Bicycle Archive
Compare Bicycles
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 2009 Jamis Earth Cruiser 3.
- Identity & price
2009 Jamis Earth Cruiser 3 had an original MSRP $215 lower than 2021 Jamis EARTH CRUISER 3.
Original MSRP is the published list price when new, not today’s used-bike value.
Gearing comparison
Lower gears help on climbs. Higher gears suit higher speeds.
RPM
RPM = pedal turns per minute.
Gearing unavailable for this size.
Gearing unavailable for this size.
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
2021 Jamis Earth Cruiser 3
2009 Jamis Earth Cruiser 3
Overview
Model Year
2021
2009
Brand
Jamis
Jamis
Model
Earth Cruiser 3
Earth Cruiser 3
Bicycle Type
Cruiser
Cruiser
Original MSRP
$649.95
$435.00
Colors
Gloss Black, Clay, Teal Fo’ Real
Forest Green/Bone, Gloss Black/Machine Silver, Starfire Blue/Machine Silver
Sizes
M, L
18.5", 21.5"
Weight
30.75 lbs
31.5 lb
Frameset
Frame Construction
Classic Cantilever design with 6061 aluminum tubing, includes kickstand and painted steel chainguard
TIG-welded
Frame Material
Steel
7005 aluminum
Fork
Hi-tensile unicrown with radiused blades
—
Fork Material
—
High-tensile steel, unicrown crown
Drivetrain
Component Group
Shimano RevoShift, 3-speed
Cruiser Mix
Shifters
Shimano RevoShift, 3-speed
Shimano Revo
Crankset
Forged alloy crank, 170mm, with 44T chainring
Forged Alloy, 44 teeth
Bottom Bracket
Sealed cartridge, 68 x 122.5mm
Cotterless, 119mm spindle
BB Shell Width
—
68mm
Cassette
Shimano 23T
Shimano
Rear Cogs
—
3-speed internal, 23 teeth
Chain
KMC Z410NP, silver
KMC Z51 NP
Pedals
Cruiser platform with grip tape
Cruiser Platform
Brakes
Brakes
Shimano coaster brake
Shimano coaster rear
Cockpit & Contact Points
Headset
Internal cup, threaded, 1 1/8”
1 1/8" sealed
Handlebar
Jamis Cruise-control comfort bar
Jamis Cruise Control
Handlebar Extensions
—
Not included
Stem
Alloy hi-rise, 180mm quill, 100mm extension, with removeable 2-bolt cap
Alloy hi-rise quill
Saddle
Earth Cruiser Comfort with memory foam padding, synthetic suede top, burnished sides and bumper springs
Earth Cruiser Comfort w/Spring
Seatpost
Alloy micro-adjust, 27.2 x 300mm, with 31.8mm alloy clamp and cromo seatpin
Alloy Micro Adjust, 27.2mm diameter
Wheels & Tires
Hubs
—
Front: Alloy nutted, Rear: Shimano 3 speed coaster brake
Wheels
Alex Zuma 36H black anodized alloy rims with alloy nutted front hub and Shimano 3-speed rear, 14 gauge stainless steel spokes
—
Rims
—
Alex Zuma, 36-hole
Spokes
—
Stainless, 14ga. (2.0mm)
Front Tire
CST Metropolitan Palm Bay, 26” x 2.35
26 x 2.125" Jamis Cruise Control
Rear Tire
CST Metropolitan Palm Bay, 26” x 2.35
—
Wheel Size
26
26" wheels
Geometry · choose a size for each bicycle
Geometry size
—
Effective top tube
626 mm
—
Head-tube angle
69°
—
Seat-tube angle
67°
—
Head tube
130 mm
—
Chainstay / rear center
475 mm
—
Wheelbase
1107 mm
—
Bottom-bracket height
280 mm
—
Standover height
776 mm
—
Fork offset / rake
55 mm
—
Historical specifications are presented as an archival reference. Components may have varied by market, size, or production run.