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Stumpjumper 29

2020 Stumpjumper 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 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. It's total control.

MASSIVE BANG FOR YOUR BUCK

• 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.

Technical Specifications

WHEELS

Rims

700C disc, double-wall alloy, pinned, 32h

Front Hub

Specialized, sealed cartridge bearings, 15x110mm thru-axle, 28h

Rear Hub

Specialized, sealed cartridge bearings, 12x148mm thru-axle, 32h

Spokes

Stainless, 14g

Inner Tubes

Standard, Presta valve

Rear Tire

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

Front Tire

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

Suspension

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

Rear Shock

RockShox Deluxe Select, Rx Trail Tune, rebound adjust, 210x50mm

COCKPIT

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

Stem

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

Saddle

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

Tape

Specialized Trail Grips

Handlebars

Specialized Trail, 6061 alloy, 8-degree backsweep, 6-degree upsweep, 27mm rise, 31.8mm clamp, S 720mm, M-XL 750mm

DRIVETRAIN

Rear Derailleur

SRAM SX Eagle, 12-speed

Shift Levers

SRAM SX Eagle, trigger, 12-speed

Cassette

SRAM PG-1210 Eagle, 11-50t

Crankset

SRAM SX Eagle, Powerspline, 170mm

Bottom Bracket

SRAM Powerspline

Chain

SRAM SX Eagle, 12-speed

Chainrings

Steel, 30T

BRAKES

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

ACCESSORIES

Pedals

PEDAL, TEST RIDE PEDALS PROVIDED BY SPECIALIZED

FRAMESET

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

Seat Binder

Specialized bolt-type, alloy, 38.6mm

* Weights based on production painted frames as pictured. Actual weights will vary based on colorway, frame size, and component variation. Specifications are subject to change without notice.

Geometry

SMLXL
Crank Length170mm170mm170mm170mm
Handlebar Width780mm780mm780mm780mm
Stem Length45mm45mm45mm45mm
Saddle Width155mm143mm143mm143mm
Seatpost Length375mm438mm438mm478mm
Stack619mm619mm642mm656mm
Reach405mm425mm445mm470mm
Head Tube Length100mm100mm125mm140mm
Head Tube Angle66.5°66.5°66.5°66.5°
BB Height341mm341mm341mm341mm
BB Drop33mm33mm33mm33mm
Trail107mm107mm107mm107mm
Fork Length, Full560mm560mm560mm560mm
Fork Rake/Offset51mm51mm51mm51mm
Front Center716mm736mm766mm797mm
Chainstay Length437mm437mm437mm437mm
Wheelbase1151mm1171mm1201mm1232mm
Top Tube Length, Horizontal573mm597mm628mm662mm
Bike Standover Height756mm762mm775mm776mm
Seat Tube Length380mm410mm455mm505mm
Seat Tube Angle74.8°74.5°74.1°73.7°
Geometry

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