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 Aurora and 2007 Jamis Aurora.
- Identity & price
2007 Jamis Aurora had an original MSRP $150 lower than 2009 Jamis Aurora.
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.
Lowest0.94:1Highest4.55:1Total range485%
Estimated speed at 90 RPMLowest gearHighest gear
Uses front tire 700C×32; rear size isn’t listed.
Lowest0.94:1Highest4.73:1Total range504%
Estimated speed at 90 RPMLowest gearHighest gear
Uses front tire 700C×28; 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
2009 Jamis Aurora
2007 Jamis Aurora
Overview
Model Year
2009
2007
Brand
Jamis
Jamis
Model
Aurora
Aurora
Bicycle Type
Touring
Touring
Original MSRP
$1,000.00
$850.00
Colors
Bone
Copper/Ivory
Sizes
47cm, 50cm, 53cm, 55cm, 57cm, 59cm, 62cm
47cm, 50cm, 53cm, 55cm, 57cm, 59cm, 62cm
Weight
27.4 lb
26.25 lb
Frameset
Frame Construction
TIG-welded
TIG-welded
Frame Material
Reynolds 520 Butted Chromoly
Reynolds 520 double-butted chromoly
Fork
—
Jamis
Fork Material
Chromoly, unicrown crown
Chromoly, unicrown crown
Drivetrain
Component Group
Shimano Tiagra
Touring Mix
Shifters
Shimano Tiagra STI
Shimano Tiagra STI
Front Derailleur
Shimano Tiagra
Shimano Tiagra, 28.6mm clamp
Rear Derailleur
Shimano Deore
Shimano Deore
Crankset
FSA Vero, 30/39/50 teeth
FSA Vero Forged, 30/42/52 teeth
Bottom Bracket
FSA Powerdrive, 113mm spindle
FSA Powerdrive, 113mm spindle
BB Shell Width
68mm
68mm
Cassette
SRAM PG-950
—
Rear Cogs
9-speed, 11 - 32 teeth
9-speed, 11 - 32 teeth
Chain
KMC Z9000
KMC Z9000
Pedals
Alloy Cage toe/clip & strap
Touring platform
Brakes
Brakes
Tektro ORYX cantilever brakes, Shimano Tiagra STI w/Tektro bar top levers levers
Tektro cantilever brakes, Shimano Tiagra levers
Cockpit & Contact Points
Headset
1 1/8" Ritchey LB
1 1/8" threadless Aheadset alloy
Handlebar
Ritchey BioMax II Road
Ritchey BioMax II Road
Handlebar Extensions
Not included
Not included
Stem
NVO adjustable
Ritchey Road Adjustable
Saddle
Jamis Touring Sport
Selle San Marco Ischia Plus
Seatpost
Ritchey Road, 27.2mm diameter
Ritchey Road, 27.2mm diameter
Wheels & Tires
Hubs
Shimano Tiagra
Shimano Tiagra
Rims
Alex ACE-19, 36-hole
Alex ACE19, 36-hole
Spokes
Stainless, 14ga. (2.0mm)
Stainless steel, 14ga. (2.0mm) straight gauge
Front Tire
700 x 32c Vittoria Randonneur
700 x 28c 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.