Product details
Offering an unprecedented combination of comfort, efficiency, and nimble handling, the Sirrus X excels on pavement, dirt, and any terrain in between.
SMOOTH, COMFORTABLE, AND EFFICIENT: Sirrus X provides the smoothest ride in its class. With bigger, confidence-inspiring tires, a slightly more upright riding position, and a super intuitive one-by drivetrain.
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 to ensure that no matter what size you’re riding, you will experience the world’s best ride.
NIMBLE: Class-leading light-weight, exceptional pedaling efficiency, and steering precision merge for confident, nearly telepathic handling characteristics.
- Future Shock 1.5 delivers 20mm of compliance to give maximum comfort and control over the rough stuff.
- Added Carbon Fork and an A1 SL alloy frame delivers a build 1.6lb (.8kg) lighter than the 3.0 model–no heavy hybrid featuring a mountain style suspension fork comes close.
- Wide-range 1x11 Shimano CUES shifting delivers precise shifting.
Technical Specifications
- Frame
- Specialized A1SL Premium Aluminum, Fitness Geometry, butted tubing, internal cable routing, flat-mount disc, quick-release, Plug + Play rack/fender mounts
- Fork
- Specialized FACT 9r Carbon Monocoque, flat-mount disc, 12x100mm thru-axle, low rider mounts, Plug + Play fender mounts, Future Shock 1.5
- Front Brake
- Shimano BR-MT200, hydraulic disc, 160mm
- Rear Brake
- Shimano BR-MT200, hydraulic disc, 160mm
- Shift Levers
- Shimano Cues SL-U6000, 11-Speed
- Rear Derailleur
- Shimano Cues 11-speed w/ Shadow Plus
- Cassette
- Shimano, CS-LG400-11, CUES, 11-Speed, 11-50T
- Crankset
- Prowheel Alloy, XXS - XS: 165mm, S - M: 170mm, L - XL: 175mm
- Chainrings
- Narrow Wide Steel 42T
- Bottom Bracket
- Threaded BSA 68mm, 24mm spindle
- Chain
- KMC eGlide for 11-Speed Cues
- Rims
- 700C disc, double-wall alloy, 22mm depth, 21mm internal width, 32h
- Front Hub
- Alloy, sealed cartridge bearings, Center Lock, 12x100mm thru-axle, 24h
- Rear Hub
- Alloy, Center lock Disc, High-Low Flange, Sealed Cartridge Bearing, 32H, 12mm Axle, 142mm Spacing
- Spokes
- Stainless, 14g
- Front Tire
- Pathfinder Wirebead Fast Gravel 700X40C
- Rear Tire
- Pathfinder Wirebead Fast Gravel 700X40C
- Inner Tubes
- Standard 40mm SV 700x32-50
- Handlebars
- Alloy Mini Rise, 9-degree backsweep, 15mm rise, 31.8mm
- Stem
- Future Stem, Comp
- Grip
- Specialized Neutralizer, Body Geometry, locking grip
- Saddle
- Body Geometry Power Sport, steel rails
- SeatPost
- Alloy, 2-bolt, 14mm offset, 27.2mm
- Seat Binder
- Bolt-type, 31.8mm
- Pedals
- Specialized, platform
- Product ID
- 222059
- Weight
- Weight Size
- LG
Geometry
| XXS | XS | S | M | L | XL | |
|---|---|---|---|---|---|---|
| Crank Length | 165 | 165 | 170 | 170 | 175 | 175 |
| Handlebar Width | 680 | 680 | 680 | 680 | 680 | 680 |
| Stem Length | 60 | 60 | 70 | 80 | 90 | 100 |
| Saddle Width | 155 | 155 | 155 | 143 | 143 | 143 |
| Seatpost Length | 300 | 300 | 350 | 350 | 400 | 400 |
| Stack | 587 | 590 | 606 | 635 | 651 | 672 |
| Reach | 355 | 371 | 376 | 382 | 386 | 398 |
| Head-Tube Length | 111 | 125 | 143 | 169 | 186 | 208 |
| Head-Tube Angle | 69.5 | 70 | 70 | 71 | 71 | 71 |
| B-B Height | 284 | 284 | 284 | 284 | 284 | 284 |
| B-B Drop | 70 | 70 | 70 | 70 | 70 | 70 |
| Trail | 78 | 75 | 75 | 68 | 68 | 68 |
| Fork Length (full) | 395 | 395 | 395 | 395 | 395 | 395 |
| Fork Rake/Offset | 51 | 51 | 51 | 51 | 51 | 51 |
| Front-Center | 602 | 618 | 629 | 634 | 644 | 663 |
| Chain-Stay Length | 440 | 440 | 440 | 440 | 440 | 440 |
| Wheelbase | 1074 | 1093 | 1033 | 1049 | 1060 | 1065 |
| Top-Tube Length (horizontal) | 529 | 549 | 559 | 573 | 581 | 599 |
| Bike Stand-Over Height | 700 | 722 | 750 | 778 | 810 | 831 |
| Seat-Tube Length | 360 | 395 | 440 | 470 | 510 | 530 |
| Seat-Tube Angle | 73.5 | 73.5 | 73.5 | 73.5 | 73.5 | 73.5 |
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Review 2026 Specialized Sirrus X 4.0