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 2011 Jamis Allegro 3X and 2009 Jamis Allegro 3X.
- Gearing
2011 Jamis Allegro 3X has a 18% lower climbing ratio than 2009 Jamis Allegro 3X.
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.
Lowest0.76:1Highest4.36:1Total range571%
Estimated speed at 90 RPMLowest gearHighest gear
Uses front tire 700C×35; rear size isn’t listed.
Lowest0.94:1Highest4.55:1Total range485%
Estimated speed at 90 RPMLowest gearHighest gear
Uses front tire 700C×35; 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
2011 Jamis Allegro 3X
2009 Jamis Allegro 3X
Overview
Model Year
2011
2009
Brand
Jamis
Jamis
Model
Allegro 3X
Allegro 3X
Bicycle Type
Hybrid
Hybrid
Original MSRP
$975.00
$1,065.00
Colors
Gloss black/pearl white
Pearl White/Machine Silver
Sizes
15, 17, 19, 21, 23"
14.5", 16", 17.5", 19.5", 21.5", 23"
Weight
30.00 lbs
29.7 lb
Frameset
Frame Construction
Aluminum
TIG-welded
Frame Material
6061 Triple Butted Aluminum
6061 Triple Butted Aluminum
Fork
SR Suntour NCX-D-LO
SR Suntour NCX-D-LO, 63mm travel
Fork Material
—
Magnesium/aluminum, single crown
Drivetrain
Component Group
Shimano mix
Hybrid Mix
Shifters
Shimano Deore Rapid Fire Plus
Shimano SL-R440
Front Derailleur
Shimano Alivio M430, bottom pull
Shimano R453
Rear Derailleur
Shimano Deore XT M771
Shimano XT Shadow
Crankset
FSA Alpha Drive, 48/36/26t teeth
FSA Vero Triple, 30/39/50 teeth
Bottom Bracket
FSA Powerdrive, 113mm spindle
FSA Powerdrive
BB Shell Width
68mm
—
Cassette
SRAM PowerGlide 950
SRAM PG-950
Rear Cogs
9-speed, 11 - 34 teeth
9-speed, 11 - 32 teeth
Chain
KMC Z99
Shimano HG73
Pedals
Full alloy platform
Alloy Platform
Brakes
Brakes
Shimano M445 brakes, Shimano M445 levers
Shimano M486 w/160mm Rotor brakes, Shimano M486 hydraulic levers
Cockpit & Contact Points
Headset
1 1/8" Internal Cup
1 1/8" Aheadset
Handlebar
Jamis alloy riser
Jamis alloy flat bar
Handlebar Extensions
Not included
Not included
Stem
NVO components
NVO adjustable
Saddle
Selle San Marco Elba
Selle San Marco Elba
Seatpost
Jamis alloy micro-adjust, 27.2mm diameter
Jamis alloy micro-adjust, 27.2mm diameter
Wheels & Tires
Hubs
Shimano M495
Front: Shimano M495 Centerlock, Rear: Shimano M495 Centerlock Cassette
Rims
Alex DC25 disc rims, 32-hole
Mavic CXP 22, 32-hole
Spokes
Stainless Steel stainless, 14ga. (2.0mm)
WTB stainless
Front Tire
700 x 35c Vittoria Randonneur Trail
700 x 35c Vittoria Randonneur Trail
Wheel Size
700c wheels
700c wheels
Historical specifications are presented as an archival reference. Components may have varied by market, size, or production run.