Stumpjumper Alloy
$1,999.99$2,800.00
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Ride it Risk-Free for 30 Days!
Every bike comes with our 30-Day Ride Guarantee. Take it home, ride it like you own it. If it’s not right, bring it back within 30 days & we’ll refund your purchase or help you find the right bike.
Normal wear and tear is expected—because the only way to know it’s the right ride is to ride it.
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Specialized Stumpjumper Alloy Trail Bike
The Stumpjumper Alloy redefines the standards for trail bikes with its progressive geometry, advanced suspension kinematics, and robust alloy construction. Built to be agile yet durable, this versatile trail bike delivers 130mm of perfectly tuned suspension travel paired with a responsive SRAM SX Eagle 12-speed drivetrain. Whether you're climbing challenging terrain or confidently descending technical singletrack, the Stumpjumper Alloy is designed for riders who demand capability, reliability, and performance from their trail bike.
Key Benefits for Riders
Progressive, Adjustable Geometry
Featuring Specialized’s progressive S-Sizing geometry, the Stumpjumper Alloy delivers confident handling, improved stability, and efficient climbing. Its longer, lower, and slacker setup, combined with FlipChip adjustability, allows riders to precisely tailor the bike’s geometry to match the trails they ride, ensuring optimal performance on any terrain.
Rider-First Engineered™ Frame Design
Specialized’s Rider-First Engineered™ technology ensures that every frame size is meticulously crafted for balanced stiffness, ideal handling, and lightweight efficiency. No matter your size, you'll experience precise cornering, responsive handling, and a bike that feels custom-made for your riding style.
Optimized 130mm Trail Suspension
The Stumpjumper Alloy's refined suspension kinematics provide exceptional versatility in a 130mm package. With carefully tuned RockShox and X-Fusion suspension components, the bike smoothly absorbs big impacts while maintaining excellent pedaling efficiency. You'll feel confident tackling rugged descents and enjoy climbing performance typically reserved for bikes with less travel.
Reliable and Robust Alloy Construction
Built around a lightweight yet highly durable alloy frame featuring asymmetrical design, sealed cartridge-bearing pivots, and internal cable routing, the Stumpjumper Alloy can handle aggressive trail riding while offering easy maintenance and long-term reliability.
Dependable Braking and Traction
Tektro Gemini Comp hydraulic disc brakes (200mm front, 180mm rear) provide powerful and consistent stopping power in all conditions. Paired with Specialized Butcher and Purgatory tires featuring GRID casing and GRIPTON® compound, you’ll enjoy excellent grip, control, and confidence across varied trail surfaces.
Drivetrain and Shifting Performance
Equipped with a reliable SRAM SX Eagle 12-speed drivetrain, the Stumpjumper Alloy delivers precise, intuitive shifting with ample gear range to tackle challenging climbs and rapid descents. The simplicity and performance of the 1x setup means less maintenance and more time spent on the trails.
Why Choose the Specialized Stumpjumper Alloy?
If you're looking for a capable, durable, and high-performance trail bike without compromise, the Specialized Stumpjumper Alloy is your ticket to trail adventures. Combining progressive geometry, sophisticated suspension, and robust components, it ensures riders of all abilities experience more fun, control, and confidence on every ride.
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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 Fork:
RockShox 35 Silver, Solo Air, 44mm offset, rebound adjust, TurnKey lockout, 15x110mm Boost™ Maxle® Lite thru-axle, 140mm of travel Rear Shock:
X-Fusion 02 Pro RL, Rx Trail Tune, rebound adjust, lockout S1:190x42.5mm, S2-S6: 190x45mm Shifters:
SRAM SX Eagle, trigger, 12-speed Rear Derailleur:
SRAM SX Eagle, 12-speed Bottom Bracket:
SRAM Powerspline Cassette:
SRAM PG-1210 Eagle, 11-50t Chain:
SRAM SX Eagle, 12-speed Front Brake:
Tektro Gemini Comp, hydraulic disc, resin pad, 200mm Rear Brake:
Tektro Gemini Comp, hydraulic disc, resin pad, 180mm Front Hub:
Alloy, sealed cartridge bearings, 15x110mm thru-axle, 28h Rear Hub:
Alloy, sealed cartridge bearings, 12x148mm thru-axle, 28h Rims:
Double-wall alloy, 27mm internal width, 28h Front Tire:
Butcher, GRID casing, GRIPTON® T9 compound, 2Bliss Ready, 29x2.3" Rear Tire:
Purgatory, GRID casing, GRIPTON® T7 compound, 29x2.3" Handlebars:
Specialized, 6061 alloy, 6-degree upsweep, 8-degree backsweep, 30mm rise, 780mm width Stem:
Alloy Trail Stem, 35mm bar bore Seat Post:
TranzX dropper, 34.9mm, S1: 100mm, S2: 125mm, S3: 150mm. S4-S5: 170mm, S6- 200mm Saddle:
Body Geometry Bridge Saddle, steel rails Bar Tape:
Specialized Trail Grips -
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What We Do:
Full Professional Assembly
Our certified mechanics put together every component—down to the tiniest bolt—ensuring your bike meets the highest standards of safety and performance.
Precise Tuning & Adjustment
Once built, we tune gears, adjust brakes, true the wheels, and dial in every detail to guarantee a smooth, flawless ride from day one.
Careful Repackaging
After your bike passes inspection, we carefully repackage it with easy-to-follow instructions. The result? A simple, stress-free assembly process in the comfort of your home.
Why It Matters:
By taking the time to ensure every aspect of your bike is perfect, we’re giving you more than just a product—we’re offering peace of mind. You’ll hit the road or trail knowing that your bike has been fine-tuned by professionals who care about quality as much as you do.
Processing Time & Shipping:
Since we treat each bike with personalized attention, please allow 2–3 business days for this service before your order ships. If you need expedited processing, simply reach out to us at info@peachtreebikes.com — we’ll do our best to accommodate your timeline.