2020 Specialized Sj 29


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2020 Specialized Sj 29

The Stumpjumper 29 combines the amazing ride quality and precision of our alloy sidearm chassis with plush RockShox suspension and a 12-speed SRAM SX Eagle drivetrain. Bottom line: It's a bike that outrides both its price tag...and bikes costing much more.


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.


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. It's total control.


• RockShox 35 Gold RL fork and Deluxe Select shock erase rocks and roots.

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

• Roval Traverse 29er wheels roll over obstacles and maintain momentum with ease.

•Bottom Bracket: SRAM Powerspline

•Cassette: SRAM PG-1210 Eagle, 11-50t

•Chain: SRAM SX Eagle, 12-speed

•Chainrings: Steel, 30T

•Crankset: SRAM SX Eagle, Powerspline, 170mm

•Fork: RockShox 35 Gold RL, DebonAir, Motion Control damper with low-speed compression to lockout, 51mm offset, rebound adjust, 15x110mm Boost™ Maxle® Lite thru-axle, 150mm of travel

•Frame: M5 alloy chassis and rear end, asymmetrical design, 29 Trail Geometry, threaded BB, fully enclosed internal cable routing, 12x148mm dropouts, sealed cartridge bearing pivots, replaceable derailleur hanger, 140mm of travel

•Front Brake: SRAM Guide R, hydraulic disc, organic pads, Guide S4 4-piston caliper, 200mm

•Front Hub: Specialized, sealed cartridge bearings, 15x110mm thru-axle, 32h

•Front Tire: Butcher, GRID TRAIL casing, GRIPTON® compound, 2Bliss Ready, 29x2.6"

•Grips: Specialized Trail Grips

•Inner Tubes: Standard, Presta valve

•Rear Brake: SRAM Guide R, hydraulic disc, organic pads, Guide S4 4-piston caliper, 180mm

•Rear Derailleur: SRAM SX Eagle, 12-speed

•Rear Hub: Specialized, sealed cartridge bearings, 12x148mm thru-axle, 32h

•Rear Shock: RockShox Deluxe Select, Rx Trail Tune, rebound adjust, 210x50mm

•Rear Tire: Eliminator, GRID TRAIL casing, GRIPTON® compound, 2Bliss Ready, 29x2.3"

•Rims: Double-wall alloy, 27mm internal width

•Saddle: Body Geometry Myth 155 S, Body Geometry Henge 143 M/L/XL, steel rails

•Seat Binder: Specialized bolt-type, alloy, 38.6mm

•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

•Shift Levers: SRAM SX Eagle, trigger, 12-speed

•Spokes: Stainless, 14g

•Stem: Specialized Trail, 3D-forged alloy, 4-bolt, 6-degree rise

•Pedals: Specialized Dirt

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