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 2011 Jamis Dakar XCT 2 and 2010 Jamis Dakar XCT 2.
- Gearing
2010 Jamis Dakar XCT 2 has a 14% lower climbing ratio than 2011 Jamis Dakar XCT 2.
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.
Lowest0.75:1Highest3.25:1Total range433%
Estimated speed at 90 RPMLowest gearHighest gear
Rear tire: 26×2.2.
Lowest0.65:1Highest4.00:1Total range618%
Estimated speed at 90 RPMLowest gearHighest gear
Rear tire: 26×2.1.
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 Dakar XCT 2
2010 Jamis Dakar XCT 2
Overview
Model Year
2011
2010
Brand
Jamis
Jamis
Model
Dakar XCT 2
Dakar XCT 2
Bicycle Type
Mountain bike, front & rear suspension
Mountain bike, front & rear suspension
Original MSRP
$3,100.00
Not documented
Colors
Matte olive/ano black
Dirt
Sizes
13, 15, 17, 19, 21"
13", 15", 17", 19", 21"
Weight
28.50 lbs
—
Frameset
Frame Construction
Alloy
TIG-welded
Frame Material
Kinesium alloy
Kinesium Alloy Front Triangle w/ STW optimized 7005 Seat and Chainstays
Fork
RockShox Revelation RL, 140mm travel
Marzocchi 44 TST2, 100 - 140mm adjustable travel
Fork Material
—
Single crown
Rear Shock
RockShox Monarch RT, 130mm travel
Fox Float RP2, 130mm travel
Drivetrain
Component Group
Mountain Mix
Mountain Mix
Shifters
SRAM X.9
Shimano SLX RapidFire Plus-SL
Front Derailleur
SRAM X.9, 34.9mm top pull
Shimano Deore, top-pull/clamp-on 34.9mm
Rear Derailleur
SRAM X.9
Shimano Deore XT Shadow
Crankset
FSA Comet Compact, 39/27t teeth
Shimano M521 Hollowtech, 44/32/22 teeth
Bottom Bracket
FSA MegaExo Integrated
Shimano ES25, 121mm spindle
BB Shell Width
—
73mm
Cassette
SRAM PG-1050
SRAM PowerGlide 950
Rear Cogs
10-speed, 12 - 36 teeth
9-speed, 11 - 34 teeth
Chain
KMC X10SL
SRAM PC-971 with Power Link
Brakes
Brakes
Avid Elixir 3 hydraulic disc brakes, Avid Elixir 3 levers
Avid Elixer 5 w/160mm rotor brakes, Avid Elixer 5 levers
Cockpit & Contact Points
Headset
FSA Orbit 1.5 ZS
1 1/8" threadless FSA ZS-3 Zero Stack
Handlebar
Ritchey Pro riser
Ritchey MTN Riser
Handlebar Extensions
Not included
Not included
Stem
Ritchey Pro 4-Axis
Ritchey 4 bolt OS
Saddle
WTB Vigo Race
WTB Rocket V Comp
Seatpost
Ritchey Pro 2 bolt, 31.6mm diameter
Ritchey OS 2-Bolt, 31.6mm diameter
Wheels & Tires
Hubs
WTB LaserDisc Lite
Front: Shimano XT, 15mm thru axle, Rear: Shimano XT disc
Rims
WTB Laser Disc Trail
Mavic XM317, 32-hole
Spokes
Wtb
DT Swiss Champion stainless steel, 14ga. (2.0mm)
Spoke Nipples
—
Nickel-Plated Brass
Front Tire
26 x 2.3" Geax Gato
26 x 2.3" Geax Gato
Rear Tire
26 x 2.2'' Geax Gato
26 x 2.1" Geax AKA
Wheel Size
26" wheels
26" wheels
Historical specifications are presented as an archival reference. Components may have varied by market, size, or production run.