Sirrus X 1.0 ST
$649.99$649.99
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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 Sirrus X 1.0 ST KM Hybrid Active Bike
Offering an unprecedented combination of comfort, efficiency, and nimble handling, the Sirrus X excels on pavement, dirt, and any terrain in between.
Key Benefits for Riders
Smooth, Comfortable, and Efficient
The Sirrus X 1.0 ST offers the smoothest ride in its class. Featuring larger, confidence-inspiring tires, a more upright riding position, and a super intuitive one-by drivetrain, this bike provides comfort and efficiency for every type of ride.
Rider-First Engineered
Like all Specialized performance bikes, the geometry of each frame is uniquely crafted. This means that for every frame, each tube size is specifically selected to achieve the optimal balance of rigidity, weight, and responsiveness, ensuring that you experience the world’s best ride no matter what size you’re riding.
Nimble Handling
The Sirrus X merges class-leading lightweight design, exceptional pedaling efficiency, and precise steering for confident, near telepathic handling characteristics, making it perfect for riders who want versatility and smooth control on any terrain.
Key Features
- Lightweight A1 Alloy frame with clean internal cable routing, 3.5lbs (1.7kg) lighter than our Crosstrail Hydro model.
- Maximum control with intuitive 1x8 wide-range gearing and powerful hydraulic disc brakes for reliable stopping power.
- Float over rough terrain with fast-rolling Specialized Pathfinder 42c tires featuring proprietary Gripton rubber compound for added traction and comfort.
Why Choose the Specialized Sirrus X 1.0 ST KM Hybrid Active Bike?
The Specialized Sirrus X 1.0 ST KM Hybrid Active Bike is built for riders who want a comfortable, efficient, and versatile bike. Whether you're cruising on pavement or tackling off-road terrain, this bike offers a smooth and responsive ride. With an A1 Alloy frame, intuitive 1x8 gearing, and powerful disc brakes, the Sirrus X 1.0 ST is designed to perform on every ride.
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Frame:
2020 Sirrus X A1 ST Disc Fork:
2020 Sirrus X Steel Disc Shifters:
Shimano Altus SL-M315-7R, 7-Speed Rear Derailleur:
Shimano Acera RD-M3020, 7-Speed Bottom Bracket:
Square-tapered, 68mm Cassette:
microSHIFT CS-H074, 12-40t, 7-Speed Chain:
KMC X8 w/ Missing Link™ Front Brake:
Tektro MD-U310R, Mechanical Disc Rear Brake:
Tektro MD-U310R, Mechanical Disc Front Hub:
Alloy, 6-bolt disc, loose ball bearing, quick-release, 32h Rear Hub:
Alloy, 6-bolt disc, 7-speed freehub, loose ball bearing, quick-release, 32h Rims:
700C disc brake, double-wall alloy, 22mm depth, 21mm internal width Front Tire:
Pathfinder Sport, 700x42mm Rear Tire:
Pathfinder Sport, 700x42mm Handlebars:
Double-butted alloy, 5-degree backsweep, 25.4mm Stem:
Alloy, 25.4mm, 10deg. Seat Post:
Alloy, 12mm offset, 2-bolt clamp, 27.2mm Saddle:
Bridge Sport, Steel rails, 155/143mm Pedals:
Specialized Body Geometry Fitness, platform, plastic Bike Weight:
11.95 kg (26 lb, 5.5 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.