2020 Specialized Stumpjumper Comp 27.5 Mountain Bike

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The Stumpjumper Comp Alloy 27.5 combines the balanced stiffness and incredible precision of our sidearm frame design with a 12-speed SRAM NX Eagle drivetrain. The end result is a bike that outperforms its price tag by a wide margin.

THE ULTIMATE TRAIL BIKE

The innovative sidearm frame design makes a lighter, better-handling bike. By directly connecting all three mounting points of the rear-end and shock to the frame, we’ve increased both stiffness and performance over bumps.

PERFECTLY-BALANCED SUSPENSION

Our in-house suspension-tuning team develops custom shock tunes, perfectly paired to each bike’s kinematics. We call this Rx Tune and while it’s not the easy way to build a suspension bike, it’s worth it. You feel Rx Tune as perfectly-balanced suspension. Total control.

MASSIVE BANG FOR YOUR BUCK

• Sidearm frame design offers balanced stiffness and precise handling.

• FOX DPS Performance rear shock delivers perfectly-dialed rear suspension.

• NX Eagle 12-speed drivetrain gives you single-ring simplicity and gearing to spare.

 

TECHNICAL SPECIFICATIONS
FRAME M5 alloy chassis and rear-end, asymmetrical design, 27.5 Trail Geometry, threaded BB, fully enclosed internal cable routing, 12x148mm dropouts, sealed cartridge bearing pivots, replaceable derailleur hanger, 150mm of travel
SEAT BINDER Specialized bolt-type, alloy, 38.6mm
REAR SHOCK FOX FLOAT DPS Performance, Rx Trail Tune, rebound and 3-position compression adjust, 210x52.5mm
FORK FOX FLOAT RHYTHM, 34, GRIP damper, 44mm offset, 2-position sweep adjust, 15x110mm, tapered alloy steerer, 150mm of travel
STEM Specialized Trail, 3D-forged alloy, 4-bolt, 6-degree rise
HANDLEBARS Specialized Trail, 6061 alloy, 8-degree backsweep, 6-degree upsweep, 27mm rise, 780mm, 31.8mm clamp
GRIPS Specialized Sip grip, half-waffle, S/M: regular thickness, L/XL: XL thickness
SADDLE Body Geometry Phenom Comp, hollow Cr-Mo rails, 143mm
SEATPOST X-Fusion Manic, infinite adjustable, two-bolt head, bottom mount cable routing, remote SRL LE lever, 34.9mm, S: 125mm, M/L: 150mm, XL: 170mm
FRONT BRAKE SRAM Guide R, hydraulic disc, organic pads, Guide S4 4-piston caliper, 200mm
REAR BRAKE SRAM Guide R, hydraulic disc, organic pads, Guide S4 4-piston caliper, 180mm
REAR DERAILLEUR SRAM NX Eagle, 12-speed
SHIFT LEVERS SRAM NX Eagle, trigger, 12-speed
CASSETTE SRAM NX Eagle, 12-speed, 11-50t
CHAIN SRAM NX Eagle, 12-speed
CRANKSET SRAM NX Eagle, DUB, 170mm
CHAINRINGS Steel, 30T
BOTTOM BRACKET SRAM DUB, threaded BB
RIMS Roval Traverse 27.5, hookless alloy, 30mm inner width, tubeless ready
FRONT HUB Specialized, sealed cartridge bearings, 15x110mm spacing, 28h
REAR HUB Specialized, sealed cartridge bearings, 12x148mm thru-axle, 28h
SPOKES DT Swiss Industry
FRONT TIRE Butcher, GRID casing, GRIPTON® compound, 2Bliss Ready, 27.5 x 2.6"
REAR TIRE Eliminator, GRID TRAIL casing, GRIPTON® compound, 2Bliss Ready, 27.5 x 2.6"
INNER TUBES Presta, 40mm valve
PEDALS Specialized Dirt

 

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