Stumpjumper 15 Alloy
$2,999.99$2,999.99
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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 15 Alloy Trail Mountain Bike
The Specialized Stumpjumper 15 Alloy Trail Mountain Bike is built to provide maximum performance and versatility, offering the perfect balance of efficiency, control, and fun. Whether you're tackling steep climbs, technical descents, or everything in between, this bike is engineered to adapt to any trail, with customizable features to meet your riding style. From its all-new M5 alloy frame to its reliable components, the Stumpjumper 15 Alloy is ready to take on any challenge.
Key Benefits for Riders
Customizable Suspension for Optimal Performance
The Ride Dynamics tuned X-Fusion 02 Pro RL shock delivers adjustable rebound and lockout settings, ensuring that you can fine-tune the shock for a ride that’s as smooth and controlled as you need. Paired with the RockShox Psylo Silver fork with Motion Control Damper, this bike absorbs rough terrain with ease, providing an excellent balance of control and comfort for both climbing and descending.
Precision Shifting and Reliable Braking
The Shimano Deore 12-speed drivetrain ensures precise shifting with smooth transitions, whether you're shifting up for a climb or down for a descent. For stopping power, the Shimano MT-420 4-piston brakes provide reliable and powerful braking performance, giving you confidence on any trail, especially in technical or steep sections.
Durable and Adjustable Components
The M5 alloy frame offers durability and lightweight performance, while the SWAT Door integration allows you to store tools and gear for convenience on long rides. The TranzX dropper post provides adjustable travel, giving you the flexibility to change your saddle height for steep descents or technical terrain, with easy remote control via the SLR LE lever.
Designed for Comfort and Control
Geometry adjustments on the Stumpjumper 15 Alloy give you the option to dial in the head tube angle and bottom bracket height, making it adaptable for different trail types. The 6000 series alloy handlebars offer a comfortable grip with a 6-degree upsweep and an 8-degree backsweep, ensuring a natural riding position. Combined with the Bridge saddle, this bike is built for long rides with a focus on rider comfort.
Why Choose the Specialized Stumpjumper 15 Alloy Trail Mountain Bike?
With its M5 alloy frame, Ride Dynamics suspension tuning, and reliable Shimano drivetrain and brakes, the Specialized Stumpjumper 15 Alloy is the perfect trail bike for riders who demand both performance and versatility. Whether you're after a smooth and efficient climb or a powerful and controlled descent, this bike adapts to your needs, giving you the confidence to tackle any trail.
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Frame:
M5 Alloy chassis and rear-end, Trail Geometry, SWAT™ Door integration, head tube angle adjustment, threaded BB, internal cable routing, 12x148mm dropouts, sealed cartridge bearing pivots, SRAM UDH compatible, 145mm of travel Fork:
RockShox, Psylo Silver, Motion Control Damper, 15x110 axle, 44mm offset, S1:140mm of travel, S2-S6:150mm of travel Rear Shock:
X-Fusion 02 Pro RL, Ride Dynamics Trail Tune, rebound adjust, lockout S1:210x52.5mm, S2-S6:210x55mm Shifters:
Shimano Deore, M6100, 12spd Rear Derailleur:
Shimano Deore, M6100, 12pd, Shadow Plus Cassette:
Shimano Deore, M6100, 12spd w/Hyperglide+, 10-51t Chain:
Shimano Deore, M6100, 12-speed Front Brake:
Shimano, BR-MT420, 4-piston caliper, hydraulic disc, 203mm Rear Brake:
Shimano, BR-MT420, 4-piston caliper, hydraulic disc, S1-S2: 180mm, S3-S6: 203mm Front Hub:
Alloy, sealed cartridge bearings, 15x110mm thru-axle, 28h Rear Hub:
Alloy, sealed cartridge bearings, 12x148mm thru-axle, 28h Rims:
Specialized Alloy, Tubeless Ready, 29mm internal width, 28h, Front: 29, Rear: S1-S2: 27.5, S3- S6: 29 Front Tire:
Butcher, GRID TRAIL casing, GRIPTON® T9 compound, 2Bliss Ready, 29x2.3" Rear Tire:
Eliminator, GRID TRAIL casing, GRIPTON® T7 compound, 2Bliss Ready, S1-S2: 27.5x2.3, S3- S6: 29x2.3" Handlebars:
Specialized, 6000 series alloy, 6-degree upsweep, 8-degree backsweep. S1-S2: 780 width, 20mm rise: S3-S4: 800 width, 30mm rise: S5-S6: 800 width, 40mm rise Stem:
Alloy Trail Stem, 35mm bar bore Seat Post:
TranzX Dropper, remote SLR LE lever, 34.9, S1: 125mm, S2: 150mm, S3: 170mm, S4-S6: 200mm Saddle:
Bridge, Steel rails, S1-S2: 155mm, S3-S6: 143mm Grips:
Specialized Trail Grips SWAT:
SWAT internal downtube storage Bike Weight:
16.57 kg (36 lb, 8.5 oz) Weight Size:
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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.