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 2006 Jamis Comet and 2008 Jamis Comet.
- Data limitation
Only 2006 Jamis Comet has enough published drivetrain data for gearing calculations.
- Identity & price
2008 Jamis Comet had an original MSRP $125 lower than 2006 Jamis Comet.
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.
Lowest1.70:1Highest4.82:1Total range284%
Estimated speed at 90 RPMLowest gearHighest gear
Uses front tire 700C×23; rear size isn’t listed.
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
2006 Jamis Comet
2008 Jamis Comet
Overview
Model Year
2006
2008
Brand
Jamis
Jamis
Model
Comet
Comet
Bicycle Type
Road race & triathlon
Road race & triathlon
Original MSRP
$1,375.00
$1,250.00
Colors
Radium Blue/Pearl White
Monterey Blue/Pearl White
Sizes
51cm, 54cm, 56cm, 58cm, 61cm
51cm, 54cm, 56cm, 58cm, 61cm
Weight
20 lb
20.25 lb
Frameset
Frame Construction
TIG-welded
TIG-welded
Frame Material
7005 aluminum
Aero 7005 butted aluminum
Fork
Jamis
Jamis Aero
Fork Material
Carbon fiber/chromoly steerer, unicrown crown
Carbon/chromoly steerer, aero crown
Drivetrain
Component Group
Road Mix
Triathlon Mix
Shifters
Shimano Dura-Ace bar-end
Shimano Dura-Ace bar-end
Front Derailleur
Shimano 105, top-pull/clamp-on 31.8mm
Shimano 105, braze-on
Rear Derailleur
Shimano 105 GS
Shimano 105
Crankset
Truvativ Elita GXP, 39/53 teeth
FSA Gossamer
Bottom Bracket
Truvativ GXP
FSA Mega EXO
Cassette
—
Shimano 105
Rear Cogs
10-speed, 11 - 23 teeth
10-speed, 11 - 23 teeth
Chain
Shimano CN-5600
SRAM PC-1030, 1/2 X 3/32"
Pedals
Aluminum platform
Not included
Brakes
Brakes
Tektro dual pivot brakes, Tektro RX 4.1 front/Tektro RX4.1 rear levers
Tektro R-350 brakes, Tekto RX 4.1 levers
Cockpit & Contact Points
Headset
1" integrated FSA Orbit IS-2A
1" Aheadset
Handlebar
Syntace Stratos 400
Profile Design T2 Wing
Handlebar Extensions
Syntace Streamliner/Biowing Cups
—
Stem
Jamis Alloy Threadless
Jamis
Saddle
Fi'zi:k Pave, chrome-moly rails
Selle San Marco Ponza Trilon
Seatpost
Carbon fiber aero, 27.2mm diameter
Jamis Aero Carbon, 27.2mm diameter
Wheels & Tires
Hubs
Alex ALX-320DX
Alex ALX-270 aero
Rims
Alex ALX-320DX Aero Wheelset
Alex ALX-270 aero
Front Tire
700 x 23c Hutchinson Quartz
700 x 23c Vittoria Zaffiro
Wheel Size
700c wheels
700c wheels
Historical specifications are presented as an archival reference. Components may have varied by market, size, or production run.