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 Commuter 4.0 and 2008 Jamis Commuter 4.0.
- Identity & price
2008 Jamis Commuter 4.0 had an original MSRP $215 lower than 2009 Jamis Commuter 4.0.
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
2009 Jamis Commuter 4.0
2008 Jamis Commuter 4.0
Overview
Model Year
2009
2008
Brand
Jamis
Jamis
Model
Commuter 4.0
Commuter 4.0
Bicycle Type
City/commuter
Comfort/commuter
Original MSRP
$1,050.00
$835.00
Colors
Forrest Green/Bone
Cream
Sizes
14.5", 16.5", 18.5", 20.5", 22"
14.5", 16.5", 18.5", 20.5", 22"
Weight
33.8 lb
30.5 lb
Frameset
Frame Construction
TIG-welded
TIG-welded
Frame Material
6061 aluminum
6061 aluminum
Fork
Jamis City/Cross
Jamis City/Cross
Fork Material
Aluminum, unicrown crown
Aluminum, unicrown crown
Drivetrain
Component Group
Commuter Mix
Road Mix
Shifters
Shimano SL-S500
Shimano SL-S500
Front Derailleur
Shimano R440
Shimano R440
Rear Derailleur
Shimano CT-S500 tensioner
Shimano CT-S500 tensioner
Crankset
FSA Vero Compact, 34/48 teeth
FSA Vero Compact, 34/48 teeth
Bottom Bracket
Sealed cartridge, 110.5mm spindle
Sealed cartridge, 110.5mm spindle
BB Shell Width
68mm
68mm English
Cassette
Shimano CS-S500
Shimano cog
Rear Cogs
8-speed internal, 18 teeth
8-speed internal, 18 teeth
Chain
KMC Z9000
KMC Z9000, 1/2 x 3/32"
Pedals
Alloy toe-clip compatible
Alloy platform
Brakes
Brakes
Shimano M416 Mechanical Disc w/6" rotors brakes, Tektro levers
Shimano BR-M415 w/160mm rotor brakes, Tektro levers
Cockpit & Contact Points
Headset
1 1/8" Slimstack
1 1/8" threaded Slimstack
Handlebar
Classic swept-back
Classic swept-back
Handlebar Extensions
Not included
—
Stem
Satori adjustable
Satori forged, adjustable
Saddle
Jamis Urban
Jamis Comfort
Seatpost
Alloy Suspension Micro Adjust, 27.2mm diameter
Suspension, 27.2mm diameter
Wheels & Tires
Hubs
Front: Shimano Alfine Dynamo centerlock disc, Rear: Shimano Alfine 8 disc
Front: Shimano M495 center-lock, Rear: Shimano Alfine 8-speed intenal
Rims
Weinmann Zac 2000, 36-hole
Weinmann SPHYNIX, 36-hole
Spokes
Stainless, 14ga. (2.0mm)
Stainless steel, 14ga. (2.0mm) straight gauge
Front Tire
700 x 32c Vittoria Adventure Touring
700 x 32c Kenda Kwest
Wheel Size
700c wheels
700c wheels
Historical specifications are presented as an archival reference. Components may have varied by market, size, or production run.