Velopedia Bicycle Archive
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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 Dakar.
- Gearing
2006 Jamis Dakar has a 6% lower climbing ratio than 2004 Jamis Dakar.
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.
Lowest0.69:1Highest4.00:1Total range582%
Estimated speed at 90 RPMLowest gearHighest gear
Uses front tire 26×2; rear size isn’t listed.
Lowest0.73:1Highest4.00:1Total range545%
Estimated speed at 90 RPMLowest gearHighest gear
Uses front tire 26×2; 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
2006 Jamis Dakar
2004 Jamis Dakar
Overview
Model Year
2006
2004
Brand
Jamis
Jamis
Model
Dakar
Dakar
Bicycle Type
Mountain bike, front & rear suspension
Mountain bike, front & rear suspension
Original MSRP
$825.00
$729.95
Colors
Ano Red/Ano Black
Blue/Silver
Sizes
13", 15", 17", 19", 21"
13", 15", 17", 19", 21"
Weight
32.75 lb
32 lb
Frameset
Frame Construction
TIG-welded
TIG-welded
Frame Material
7005 aluminum
7005 aluminum
Fork
Manitou Splice Comp, 100mm travel
Answer Manitou Axel Comp, 100mm travel
Fork Material
Aluminum/magnesium, single crown
Aluminum/magnesium, single crown
Rear Shock
Fox Vanilla Coil, 90mm travel
Fox Vanilla Coil, 90mm travel
Drivetrain
Component Group
Mountain Mix
Mountain Mix
Shifters
Shimano Alivio RapidFire SL
Shimano Alivio RapidFire
Front Derailleur
Shimano Alivio, top-pull/clamp-on 31.8mm
Shimano Alivio, top-pull/clamp-on 31.8mm
Rear Derailleur
Shimano Deore
Shimano Deore
Crankset
Truvativ Isoflow, 22/32/44 teeth
TruVativ Five D, 22/32/44 teeth
Bottom Bracket
Truvativ Power Spline, 113mm spindle
TruVativ GIGA pipe, 113mm spindle
BB Shell Width
68mm English
68mm English
Rear Cogs
8-speed, 11 - 32 teeth
9-speed, 11 - 30 teeth
Chain
KMC IG-31, 1/2 x 3/32"
KMC IG-31, 1/2 x 3/32"
Pedals
Wellgo WPD-823 clipless
Wellgo WPD-823 clipless
Brakes
Brakes
Tektro Aquila mechanical disc brakes, Tektro aluminum levers
Tektro forged linear-pull brakes, Avid AD 3 levers
Cockpit & Contact Points
Headset
1 1/8" threadless Aheadset STS-2K
1 1/8" threadless Dia-Compe STS
Handlebar
Aluminum riser
Aluminum, 1" rise
Handlebar Extensions
—
Not included
Stem
MTB Threadless
Jamis aluminum
Saddle
WTB Speed V Sport
Jamis ATB
Seatpost
Aluminum micro-adjust, 27.2mm diameter
Aluminum micro-adjust, 27.2mm diameter
Wheels & Tires
Hubs
Formula disc
Formula aluminum, Q/R
Rims
WTB SpeedDisc, 32-hole
Weinmann Zac 2000, 32-hole
Spokes
Stainless steel, 14ga. (2.0mm) straight gauge
Stainless steel, 14ga. (2.0mm) straight gauge
Spoke Nipples
—
Brass nipples
Front Tire
26 x 2.00" Hutchinson Scorpion
26 x 2.00" Hutchinson Mosquito
Wheel Size
26" wheels
26" wheels
Geometry · choose a size for each bicycle
Geometry size
—
Head-tube angle
—
71°
Seat-tube angle
—
74°
Chainstay / rear center
—
425 mm
Wheelbase
—
1090 mm
Fork offset / rake
—
38.1 mm
Historical specifications are presented as an archival reference. Components may have varied by market, size, or production run. Legacy reference geometry is model-level historical data whose corresponding frame size is not identified; compare those dimensions as reference values rather than size-normalized fit data.