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Stumpjumper Comp Alloy

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Stumpjumper Comp Alloy

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We deliver! Just say when and how.

Metal fans rejoice! The Stumpjumper Comp Alloy rocks on, with one of the most advanced alloy frames ever developed. From the frame’s asymmetrical design, taking in the refined suspension kinematics and all-new geometry, to a build kit that strikes the optimal combination of performance and value, it’s metal, but it ain’t heavy metal. And it’s ready to slay some dirt.

Technical Specifications

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Frameset

Frame

Alloy chassis and rear-end, asymmetrical design, 29 Trail Geometry, horst pivot BB adjustment, threaded BB, 12x148mm dropouts, sealed cartridge bearing pivots, replaceable derailleur hanger, 130mm of travel

Seat Binder

Alloy, 38.6mm

Suspension

Rear Shock

FOX FLOAT DPS Performance, Rx Trail Tune, rebound and 3-position compression adjust, S1:190x42.5mm, S2-S6: 190x45mm

Fork

FOX FLOAT 34 Rhythm, GRIP damper, two position Sweep adjustment, 15x110mm axle, 44mm offset, 140mm of travel

Cockpit

SeatPost

X-Fusion Manic, infinite adjustable, two-bolt head, bottom mount cable routing, remote SLR LE lever, 34.9, S1: 100mm, S2: 125mm, S3: 150mm, S4/S5: 170mm, S6: 190mm

Stem

Alloy Trail Stem, 35mm bar bore

Grips

Specialized Trail Grips

Saddle

Bridge Comp, Hollow Cr-mo rails, 155/143mm

Handlebars

Specialized, 6061 alloy, 6-degree upsweep, 8-degree backsweep, 30mm rise, 780mm width

Brakes

Front Brake

SRAM G2 R, 4-piston caliper, hydraulic disc, 200mm

Rear Brake

SRAM G2 R, 4-piston caliper, hydraulic disc, 180mm

Drivetrain

Rear Derailleur

SRAM NX Eagle, 12-speed

Cassette

SRAM NX Eagle, 12-speed, 11-50t

Shift Levers

SRAM NX Eagle, trigger, 12-speed

Chain

SRAM NX Eagle, 12-speed

Crankset

SRAM NX Eagle, DUB, S1:165mm, S2-S5: 170mm, S6: 175mm

Chainrings

32T

Bottom Bracket

SRAM DUB, BSA 73mm, Threaded

Wheels & Tires

Front Hub

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

Rims

Specialized 29, hookless alloy, 30mm inner width, tubeless ready

Rear Hub

Alloy, sealed cartridge bearings, 12x148mm thru-axle, 28h

Front Tire

Butcher, GRID casing, GRIPTON® T7 compound, 29x2.3"

Spokes

DT Swiss Industry

Rear Tire

Purgatory, GRID casing, GRIPTON® T7 compound, 29x2.3"

Inner Tubes

Standard, Presta valve

Weight

Weight

15.0kg (33 lb, 1.1 oz)

Weight Size

S4

* 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

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S1S2S3S4S5S6
Crank Length165mm170mm170mm170mm170mm175mm
Handlebar Width780mm780mm780mm780mm780mm780mm
Stem Length40mm40mm40mm40mm50mm50mm
Saddle Width155mm155mm143mm143mm143mm143mm
Seatpost Length100mm125mm150mm170mm170mm190mm
Max Seatpost Insertion190mm190mm210mm230mm250mm270mm
Stack (Low BB)618mm613mm623mm631mm639mm649mm
Min Seatpost Insertion100mm100mm100mm100mm100mm100mm
Stack (High BB)614mm609mm618mm627mm640mm644mm
Reach (Low BB)410mm430mm450mm475mm500mm530mm
Reach (High BB)416mm435mm455mm480mm505mm535mm
Headtube Length100mm110mm120mm130mm140mm100mm
Headtube Angle (Low BB)65°65°65°65°65°65°
Headtube Angle (High BB)65.5°65.5°65.5°65.5°65.5°65.5°
BB Height (Low BB)327mm332mm332mm332mm332mm332mm
BB Height (High BB)339mm339mm339mm339mm334mm339mm
BB Drop (Low BB)47mm42mm42mm42mm42mm42mm
BB Drop (High BB)40mm35mm35mm35mm35mm35mm
Trail (Low BB)126mm126mm126mm126mm126mm126mm
Trail (High BB)122mm122mm122mm122mm122mm122mm
Fork Length (full)550mm550mm550mm550mm550mm550mm
Fork Rake/Offset44mm44mm44mm44mm44mm44mm
Front Center726mm746mm770mm799mm828mm863mm
Chainstay Length (Low BB)454mm454mm444mm444mm444mm444mm
Chainstay Length (High BB)440mm440mm440mm440mm450mm450mm
Wheelbase (Low BB)1168mm1188mm1212mm1241mm1280mm1315mm
Wheelbase (High BB)1164mm1184mm1208mm1237mm1276mm1311mm
Top-tube Length (horizontal)676mm545mm563mm586mm615mm643mm
Bike Standover Height742mm742mm750mm753mm777mm784mm
Seat Tube Length385mm385mm405mm425mm445mm465mm
Seat Tube Angle (Low BB)77.7°77.7°77.5°77.2°77°76.9°
Seat Tube Angle (High BB)78.2°78.2°77.9°77.7°77.5°77.3°
Geometry

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