Sirrus X 4.0
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Offering an unprecedented combination of comfort, efficiency, and nimble handling,…
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 SRAM NX shifting delivers precise shifting for the long haul.
Technical Specifications
Frameset
Frame
Specialized A1 SL Premium Aluminum, Fitness Geometry, fully manipulated butted tubing, internal cable routing, flat-mount disc, 12x142mm thru-axle, Plug + Play rack/fender mounts
Suspension
Fork
Specialized FACT 9r Carbon Monocoque, flat-mount disc, 12x100mm thru-axle, low rider mounts, Plug + Play fender mounts, Future Shock 1.5
Brakes
Front Brake
Tektro HD-R510, hydraulic disc, 160mm
Rear Brake
Tektro HD-R510, hydraulic disc, 160mm
Drivetrain
Shift Levers
Shimano Cues SL-U6000, 11-Speed
Rear Derailleur
Shimano Cues Shadow RD-U6000, 11-Speed
Cassette
Shimano, CS-LG400-11, Cues, 11-Speed, 11-50T
Chain
KMC eGlide for 11-Speed Cues
Crankset
PROWHEEL, Alloy, 165mm
Chainrings
34T
Bottom Bracket
Threaded BSA 68mm, 24mm spindle
Wheels & Tires
Rims
700C disc, double-wall alloy, 22mm depth, 21mm internal width
Front Hub
Alloy, Center lock Disc, High-Low Flange, Sealed Cartridge Bearing, 24H, 12mm Axle, 100mm Spacing
Rear Hub
Alloy, Center lock Disc, High-Low Flange, Sealed Cartridge Bearing, 32H, 12mm Axle, 142mm Spacing
Spokes
Stainless, 14g
Front Tire
Pathfinder Sport, 700x38
Rear Tire
Pathfinder Sport, 700x38
Inner Tubes
Standard 40mm SV 700x32-50
Cockpit
Stem
Future Stem, Comp
Handlebars
Alloy Mini Rise, 9-degree backsweep, 15mm rise, 31.8mm
Grip
Specialized Neutralizer, Body Geometry, locking grip
Saddle
Power Comp, Hollow Cr-mo rails, 155/143mm
SeatPost
Alloy, 2-bolt, 14mm offset, 27.2mm
Seat Binder
Bolt-type, 31.8mm
Accessories
Pedals
Specialized Body Geometry Fitness, Platform, Plastic
Product Details
Product ID
221896
Weight
Weight
10.64kg (23 lb, 7.3 oz)
Weight Size
LG
* Weights based on production painted frames as pictured. Actual weights will vary based on colourway, frame size, and component variation. Specifications are subject to change without notice.
Geometry
| XXS | XS | S | M | L | XL | |
|---|---|---|---|---|---|---|
| Crank Length | 165mm | 165mm | 170mm | 170mm | 175mm | 175mm |
| Handlebar Width | 680mm | 680mm | 680mm | 680mm | 680mm | |
| Stem Length | 60mm | 60mm | 70mm | 80mm | 90mm | 100mm |
| Saddle Width | 155mm | 155mm | 155mm | 143mm | 143mm | 143mm |
| Seatpost Length | 300mm | 300mm | 350mm | 350mm | 400mm | 400mm |
| Stack | 606mm | 635mm | 651mm | 672mm | 587mm | 590mm |
| Reach | 355mm | 371mm | 376mm | 382mm | 386mm | 398mm |
| Head-Tube Length | 111mm | 125mm | 143mm | 169mm | 186mm | 208mm |
| Head-Tube Angle | 69.5° | 70° | 70° | 71° | 71° | 71° |
| B-B Height | 284mm | 284mm | 284mm | 284mm | 284mm | 284mm |
| B-B Drop | 70mm | 70mm | 70mm | 70mm | 70mm | 70mm |
| Trail | 78mm | 75mm | 75mm | 68mm | 68mm | 68mm |
| Fork Length (full) | 395mm | 395mm | 395mm | 395mm | 395mm | 395mm |
| Fork Rake/Offset | 51mm | 51mm | 51mm | 51mm | 51mm | 51mm |
| Front-Center | 602mm | 618mm | 629mm | 634mm | 644mm | 663mm |
| Chain-Stay Length | 440mm | 440mm | 440mm | 440mm | 440mm | 440mm |
| Wheelbase | 1033mm | 1049mm | 1060mm | 1065mm | 1074mm | 1093mm |
| Top-Tube Length (horizontal) | 529mm | 549mm | 559mm | 573mm | 581mm | 599mm |
| Bike Stand-Over Height | 700mm | 722mm | 750mm | 778mm | 810mm | 831mm |
| Seat-Tube Length | 360mm | 395mm | 440mm | 470mm | 510mm | 530mm |
| Seat-Tube Angle | 73.5° | 73.5° | 73.5° | 73.5° | 73.5° | 73.5° |
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