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Jamis Dakar XCT 650 Comp (2013)

General

Product Category
Brand Jamis
ModelDakar XCT 650 Comp
Size15, 17, 19, 21
ColorAno Silver

Specific

Bottom bracketShimano
Brake rotor180/160mm RT56 rotors
BrakesShimano M445 hydraulic disc brakes
CassetteShimano HG62, 10-speed, 11-36
ChainKMC X10
CranksetShimano M552 Hollowtech, 42/32/24, 170mm (15”), 175mm (17-21”)
FeaturesThe XCT 650's design is updated with a larger top tube and down tube to increase both lateral and torsional stiffness at the head tube junction. The mp4 multi-link suspension design is optimized to shed weight, maximize shock adjustability and offer superb pedaling efficiency with a progressive suspension leverage rate. The XCT 650 main frame features a 1 1/8" - 1.5" tapered head tube to keep the frame light while increasing stiffness and strength at the crown for improved handling and steering. Chain stay size has been increased 25% compared to 2012. The rear triangle of the XCT 650 has our mp4 forged alloy linkage paired with short seatstays with a 3-D bridge, asymmetrical chainstays & 12x142mm thruaxle for easy wheel installation, strength and stiffness. The benefit of a 650B wheel size is that you get the BEST of both the 26" and 29" worlds without the negatives of each. 650B wheels offer almost all the lightweight, acceleration and flick-ability assets of a 26" wheel while delivering the great "roll over" attributes of a 29" wheel WITHOUT the weight penalty. Rock Shox's Monarch R rear shock features external rebound damping and the Solo Air spring system with a single Schrader air valve to simultaneously fill both the positive and negative air chambers, simplifying suspension setup while retaining a lightweight and plush ride. The Rock Shox Revelation 650 RL fork features 32mm upper tubes, external rebound adjust, lock-out lever and the Solo Air spring system with a single Schrader air valve to simultaneously fill both the positive and negative air chambers, simplifying suspension setup while retaining a lightweight and plush ride. Alex XD Sport rims feature stainless eyelets improving the seating of the nipple head for a better built wheel. Schwalbe Racing Ralph dual compound folding tires are low profile and fast rolling but feature "half-open" designed shoulder lugs that result in ultimate control when cornering. Shimano's SLX 42/32/24 crankset and 11-36 cassette supply 30 speeds and a full range of gear ratios to take on any terrain. SLX RapidFire Plus shifters offer a "2-way" release, allowing the upper lever to be pulled with the forefinger or pushed with the thumb depending upon rider preference. Shimano M445 brakes utilize mineral oil for hydraulic fluid which is non-corrosive and much more environmentally friendly than standard DOT fluid. Jamis lock-on grips feature a dual compound including gel in the palm area for comfort and dual lock rings for no-slip security. The new WTB Volt saddle utilizes a "whale tail" pad shape which helps increase power output by properly angling to the sit bones while climbing. When the climbing gets steep, scoot up on the Volt's drop nose. A flex tuned shell and a Comfort Zone cut out below the nose increase comfort while riding on the front of the saddle.
Fork typeRock Shox Revelation RL 650B w/15mm QR front axle, 32mm stanchions, tapered alloy steerer, air spring, rebound & lockout adjust, magnesium lower legs, 130mm travel
Frame typeKinesium alloy main triangle, asymmetrical chainstays with 12x142mm thru-axle dropouts, 130mm travel mp4 linkage design, 1.5 - 1 1/8" tapered head tube, cartridge bearing pivots, Rock Shox Monarch R high volume shock, 10mm hardware, replaceable derailleur
Front derailleurSLX 34.9mm top pull
HeadsetFSA Orbit 1.5 Zero-Stack internal cup, for tapered head tube, 30mm shim stack
Hub frontFormula 15mm thru-axle sealed bearing 6-bolt disc
Hub rearFormula 12x142mm thru-axle
Rear derailleurShimano SLX Shadow
Recommended forMountain, Trail
Rims typeAlex XD Lite 650B, 32H, eyeleted sealed bearing 6-bolt disc
SaddleWTB Volt Sport
ShifterShimano SLX, 10-speed
Shock typeRock Shox Monarch R high volume shock, 10mm hardware
SpokesStainless steel
StemCrank Brothers Cobalt 1, 80mm (15”), 90mm (17”), 100mm (19") & 110mm (21”)
TiresSchwalbe Racing Ralph 650B, 27.5x2.25, Folding, Dual Compound
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