MSRP | $2,010 | $4,000 |
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Where to Buy | — $1 At | — $1 At |
Category | Trail | Crosscountry |
Weight | 28.0 lbs | |
Aluminum | Carbon | |
Fork | RockShox Recon Silver RL | RockShox Reba |
Shock | X-Fusion | RockShox Deluxe Select+ |
Wheels | Aluminum | Aluminum |
29″ | 29″ | |
Brakes | Hydraulic Disc | Hydraulic Disc |
Groupset | SX Eagle | NX Eagle, SRAM |
Drivetrain | 1 × 12 | 1 × 12 |
Suspension | Full | Full |
Front Travel | 130mm | 120mm |
Rear Travel | 120mm | 110mm |
Brand Site | ||
Summary | The Specialized Stumpjumper ST Alloy 29 is a 29″ aluminum frame full suspension trail bike with upper mid-range components. |
Based on frame geometry and build specs.
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, 120mm of travel BB Standard: BSA, 73mm, Threaded | FACT 11m Full Carbon, Progressive XC Geometry, Rider-First Engineered™, threaded BB, 12x148mm rear spacing, internal cable routing, 110mm of travel BB Standard: BSA, 73mm, Threaded |
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Fork | RockShox Recon RL, Motion Control damper with low-speed compression to lockout, 51mm offset, rebound adjust, 15x110mm Boost™ Maxle® Lite thru-axle, 130mm of travel Travel: 120mm Spring Type: Air | RockShox Reba RL, Motion Control damper, Solo Air, 42mm offset, 15x110mm thru-axle, 120mm of travel Travel: 120mm Spring Type: Air |
Shock | X-Fusion 02 Pro RL, Rx Trail Tune, rebound adjust, lockout 190x42.5mm | RockShox DELUXE Select+, Rx XC Tune, Two Position, Rebound Adjust, 190x40mm |
Bottom Bracket | SRAM Powerspline | SRAM DUB, BSA 73mm, Threaded |
Stem | Specialized, 3D-forged alloy, 4-bolt, 7-degree rise | Specialized, 3D-forged alloy, 4-bolt, 7-degree rise |
Handlebar | Specialized Trail, 6061 alloy, 8-degree backsweep, 6-degree upsweep, 27mm rise, 31.8mm clamp, XS 720mm, S-XL 750mm, | Specialized Alloy, 20mm rise, 31.8mm, 760mm wide |
Saddle | Body Geometry Myth 155 S, Body Geometry Henge 143 M/L/XL, steel rails | Body Geometry Power Sport, steel rails |
Seatpost | TransX dropper, 34.9mm, S: 125mm, M/L/XL: 150mm Travel | TranzX Dropper, 30.9mm, XS-SM: 100mm, M: 125mm, L-XL: 150mm |
Grips | Specialized Sip Grip, half-waffle, slip-on |
Rear Derailleur | SRAM SX Eagle, 12-speed | SRAM NX Eagle, 12-speed |
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Crank | SRAM SX Eagle, Powerspline, 170mm, Steel, 30T | SRAM X1000 Eagle, DUB, 170/175mm 32T, 32T |
Shifters | SRAM SX Eagle, trigger, 12-speed | SRAM NX Eagle, trigger, 12-speed |
Cassette | SRAM PG-1210 Eagle, 11-50t | SRAM NX Eagle, 12-speed, 11-50t |
Chain | SRAM SX Eagle, 12-speed | SRAM SX Eagle, 12-speed |
Brakes | Front: Tektro Gemini Comp, hydraulic disc, resin pad, 200mm, Rear: Tektro Gemini Comp, hydraulic disc, resin pad, 180mm | Front: SRAM Level T hydraulic disc, 2-Piston Caliper, 180mm rotor, Rear: SRAM Level T hydraulic disc, 2-Piston Caliper, 180mm rotor |
Rims | Double-wall alloy, 27mm internal width | Specialized Alloy, Tubeless Ready, 29mm internal width, 28h |
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Spokes | Stainless, 14g | Stainless, 14g |
Front Hub | Specialized, sealed cartridge bearings, 15x110mm thru-axle, 32h | Specialized alloy, sealed cardridge bearings, 6-bolt, 15x110mm thru-axle, 28h |
Rear Hub | Specialized, sealed cartridge bearings, 12x148mm thru-axle, 32h | Specialized alloy, sealed cartridge bearings, 6-bolt, 148mmx12mm thru-axle, 28h |
Tires | Front: Eliminator, GRID TRAIL casing, GRIPTON® compound, 2Bliss Ready, 29x2.3", Rear: Purgatory, GRID Casing, GRIPTON® compound, 29x2.3" | Front: Specialized Ground Control, GRID Casing, T7 Compound, 29x2.35, Rear: Specialized Ground Control, GRID Casing, T7 Compound, 29x2.35 |